A Salute To Those Who Serve | America 250

Join us for a special edition Science LIVE, celebrating America’s 250th birthday with patriotic entertainment and a heartfelt tribute to the military service members, veterans, law enforcement officers, firefighters, and first responders who protect our nation and communities.

About DrB

Dr. Roger Billings is a visionary innovator whose work has touched the lives of millions of students and transformed the landscape of education. Widely known as “DrB” to the countless kids who benefit from his groundbreaking Acellus learning system, Dr. Billings has dedicated his life to advancing education through technology. As part of DrB’s lifelong commitment to supporting education, Science LIVE was launched as a way to “give back” by mentoring students in conjunction with the Roger Billings Scholarship Program.


Read more about DrB » 
About the Roger Billings Scholarship Program »

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1,269 Comments

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  1. Kaden
    Kaden on July 4, 2026 at 7:12 pm

    I really liked the dancing and singing they had done!

    Reply
  2. Cameron
    Cameron on July 4, 2026 at 7:12 pm

    Happy 4th everyone all the way from Texas

    Reply
  3. Leora
    Leora on July 4, 2026 at 7:12 pm

    happy fourth of July! The day the declaration of independence was signed after a long war. A true honor to those who have served and are still are serving our country.

    Reply
  4. Lanie
    Lanie on July 4, 2026 at 7:12 pm

    Happy Fourth of July!!!!

    Reply
  5. Ryker
    Ryker on July 4, 2026 at 7:12 pm

    Happy 4th of July! 🙂

    Reply
  6. Adam
    Adam on July 4, 2026 at 7:12 pm

    in the note you left behind on science live, you guys said you were returning in september, can you clarify what date specifically you are returning

    Reply
  7. Luna
    Luna on July 4, 2026 at 7:12 pm

    All these songs are great!!! <]

    Reply
  8. Annie
    Annie on July 4, 2026 at 7:12 pm

    Wow! What a great live for this 4th of July!! I hope we all enjoy this fun weekend!!

    Reply
  9. Shawn
    Shawn on July 4, 2026 at 7:11 pm

    This is really cool. I’m proud to live on this land of the U.S. This is a fun 4th of July special!

    Reply
  10. Reece
    Reece on July 4, 2026 at 7:11 pm

    Happy 4th of July!

    Reply
  11. William
    William on July 4, 2026 at 7:11 pm

    Tabias can sing?!

    Reply
  12. Oscar
    Oscar on July 4, 2026 at 7:11 pm

    I’m hereee

    Reply
  13. Sciara
    Sciara on July 4, 2026 at 7:11 pm

    Wow! Happy forth of July!! That performance was absolutely amazing and I’m looking forward to the next live!

    Reply
  14. Arianna
    Arianna on July 4, 2026 at 7:11 pm

    I Actually Practice Playing Guitar!

    Reply
  15. Isabella
    Isabella on July 4, 2026 at 7:11 pm

    Happy 4th of July from an American-Filipina in the Philippines!~ <3

    Reply
  16. Erin
    Erin on July 4, 2026 at 7:11 pm

    Happy 4th of July everyone!

    Reply
  17. Niko
    Niko on July 4, 2026 at 7:11 pm

    😆😆😆😆

    Reply
  18. Zen
    Zen on July 4, 2026 at 7:10 pm

    👏👏👏👏👏

    Reply
  19. Carl
    Carl on July 4, 2026 at 7:10 pm

    Great song choice with Lee Greenwoods “God Bless USA”

    Reply
  20. Rayanna
    Rayanna on July 4, 2026 at 7:10 pm

    The performers are so good!

    Reply
  21. Elias
    Elias on July 4, 2026 at 7:10 pm

    Happy 4th of july!!!!

    Reply
  22. Pierce
    Pierce on July 4, 2026 at 7:10 pm

    such an amazing performance.

    Reply
  23. Tadale
    Tadale on July 4, 2026 at 7:10 pm

    cant wait to see the special

    Reply
  24. Zooey
    Zooey on July 4, 2026 at 7:10 pm

    I went to dc for 250 th birthday it was nice. God bless America 🇺🇸

    Reply
  25. Faith
    Faith on July 4, 2026 at 7:10 pm

    Awesome show so far

    Reply
  26. Abigail
    Abigail on July 4, 2026 at 7:09 pm

    these are some good preformances!

    Reply
  27. Carl
    Carl on July 4, 2026 at 7:09 pm

    Happy Fourth Everyone!

    Reply
  28. Riven
    Riven on July 4, 2026 at 7:09 pm

    Happy 4th!

    Reply
  29. Asher
    Asher on July 4, 2026 at 7:09 pm

    Hi form Ky

    Reply
  30. Emily
    Emily on July 4, 2026 at 7:09 pm

    This is amazing! Happy 4th of July! 🇺🇸

    Reply
  31. Izabella
    Izabella on July 4, 2026 at 7:09 pm

    Hi from NY

    Reply
  32. Annabelle
    Annabelle on July 4, 2026 at 7:09 pm

    Happy 4th! From tn!

    Reply
  33. Yubin
    Yubin on July 4, 2026 at 7:09 pm

    Hello everyone!

    Reply
  34. Hadassah
    Hadassah on July 4, 2026 at 7:08 pm

    Happy 4th of July to everyone

    Reply
  35. Angel
    Angel on July 4, 2026 at 7:08 pm

    Happy 4th of July everyone!!

    Reply
  36. Naos
    Naos on July 4, 2026 at 7:08 pm

    Happy fourth of July!!! I hope everyone has a great rest of their summer!

    Reply
  37. River
    River on July 4, 2026 at 7:08 pm

    Hello from Texas!

    Reply
  38. Domonic
    Domonic on July 4, 2026 at 7:08 pm

    Happy 4th of July!

    Reply
  39. Marilyn
    Marilyn on July 4, 2026 at 7:08 pm

    Hello from Michigan ^^

    Reply
  40. Joseph
    Joseph on July 4, 2026 at 7:07 pm

    MURICA

    Reply
  41. Alina
    Alina on July 4, 2026 at 7:07 pm

    Beautiful!!!!

    Reply
  42. Angelica
    Angelica on July 4, 2026 at 7:07 pm

    Hi from Kentucky. Happy 4th of July everyone!

    Reply
  43. Jackson
    Jackson on July 4, 2026 at 7:07 pm

    absolutely beautiful!

    Reply
  44. Ryder
    Ryder on July 4, 2026 at 7:07 pm

    Hello from GA!

    Reply
  45. Gionni
    Gionni on July 4, 2026 at 7:06 pm

    Happy 250th!!

    Reply
  46. Sirawit
    Sirawit on July 4, 2026 at 7:06 pm

    Happy 4th of July and hello from Phuket.

    Reply
  47. Lucas
    Lucas on July 4, 2026 at 7:06 pm

    Happy 250th 4th of July

    Reply
  48. Peter
    Peter on July 4, 2026 at 7:06 pm

    I love the USA! Love live USA

    Reply
  49. Victoria
    Victoria on July 4, 2026 at 7:05 pm

    Beautiful singing Amazing voices !

    Reply
  50. Alexis
    Alexis on July 4, 2026 at 7:05 pm

    Happy 4th of July everyone! I’m going to miss these science lives.

    Reply
  51. Aslynn
    Aslynn on July 4, 2026 at 7:05 pm

    wow this is amazing

    Reply
  52. Paul
    Paul on July 4, 2026 at 7:05 pm

    Hello from Louisiana and Happy fourth of July everybody!!

    Reply
  53. Jessica
    Jessica on July 4, 2026 at 7:05 pm

    hi fro m KY

    Reply
  54. Jamzie
    Jamzie on July 4, 2026 at 7:04 pm

    happy 4th of July everyone

    Reply
  55. Atharv
    Atharv on July 4, 2026 at 7:04 pm

    Happy Fourth of July

    Reply
  56. Alejandro
    Alejandro on July 4, 2026 at 7:04 pm

    Hello from Palm Coast

    Reply
  57. Alexia
    Alexia on July 4, 2026 at 7:04 pm

    Hello from Texas. Happy 4th of July everyone!

    Reply
  58. Zen
    Zen on July 4, 2026 at 7:04 pm

    👏👏👏👏👏👏

    Reply
  59. Jessica
    Jessica on July 4, 2026 at 7:04 pm

    HAPPY 4TH

    Reply
  60. Ashraf
    Ashraf on July 4, 2026 at 7:04 pm

    Hello America

    Reply
  61. Jessi
    Jessi on July 4, 2026 at 7:04 pm

    hi from va

    Reply
  62. Jett
    Jett on July 4, 2026 at 7:04 pm

    Happy 4th of July to all attending Science Live!

    Reply
  63. Gwenabelle
    Gwenabelle on July 4, 2026 at 7:04 pm

    Having this on 4th of July and expecting students to watch this instead of spending time with their family and friends is insulting 😐

    Reply
  64. Joshua
    Joshua on July 4, 2026 at 7:04 pm

    Happy 250

    Reply
  65. Aria
    Aria on July 4, 2026 at 7:04 pm

    250!🇺🇲

    Reply
  66. Juliet
    Juliet on July 4, 2026 at 7:04 pm

    Happy 4th of July!!!

    Reply
  67. Jessica
    Jessica on July 4, 2026 at 7:04 pm

    HAPPY 4TH!

    Reply
  68. Tyler
    Tyler on July 4, 2026 at 7:03 pm

    Simply inspirational.

    Reply
  69. Morgan
    Morgan on July 4, 2026 at 7:03 pm

    Hello from tennessee

    Reply
  70. Madyson
    Madyson on July 4, 2026 at 7:03 pm

    happy fourth!!

    Reply
  71. Jessica
    Jessica on July 4, 2026 at 7:03 pm

    HAPPY 4TH EVERYONE!

    Reply
  72. Kardyr
    Kardyr on July 4, 2026 at 7:03 pm

    HAPPY 4th

    Reply
  73. Dominic
    Dominic on July 4, 2026 at 7:03 pm

    Happy 4th of July!!!

    Reply
  74. Mossaab
    Mossaab on July 4, 2026 at 7:03 pm

    celebrating America 250 is very for what they made the world we know it today.

    Reply
  75. Aria
    Aria on July 4, 2026 at 7:03 pm

    250!🇺🇲

    Reply
  76. Emily
    Emily on July 4, 2026 at 7:03 pm

    Wow!! Great singing!!

    Reply
  77. Tessa
    Tessa on July 4, 2026 at 7:03 pm

    oh wow i love this its a forth of July special!

    Reply
  78. Paxton
    Paxton on July 4, 2026 at 7:03 pm

    Happy Fourth of July! And Happy 250th birthday to the USA!

    Reply
  79. Adrian
    Adrian on July 4, 2026 at 7:03 pm

    I remember singing the Star Spangled Banner back in my old elementary school

    Reply
  80. Sadie
    Sadie on July 4, 2026 at 7:03 pm

    happy 4th of July everyone!!! We all should be so proud of our selves this school year!! Thank you Rodger.

    Reply
  81. Kaylee
    Kaylee on July 4, 2026 at 7:03 pm

    can’t wait for the rest of the live

    Reply
  82. Richard
    Richard on July 4, 2026 at 7:03 pm

    left the 4th of July celebration to tune in

    Reply
  83. Kendlelyn
    Kendlelyn on July 4, 2026 at 7:03 pm

    Hello I’m so glad I could be here

    Reply
  84. Jonathan
    Jonathan on July 4, 2026 at 7:03 pm

    Happy 4th.

    Reply
  85. Natalie
    Natalie on July 4, 2026 at 7:03 pm

    Can’t wait for this special!

    Reply
  86. Gwenabelle
    Gwenabelle on July 4, 2026 at 7:03 pm

    Hi from USA 🤘🤘🤘🤘😝😎😎😎😎🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🦅🦅🦅

    Reply
  87. Cuyree
    Cuyree on July 4, 2026 at 7:03 pm

    Happy 4

    Reply
  88. Santiago
    Santiago on July 4, 2026 at 7:02 pm

    Happy 4th of July science live!

    Reply
  89. Angela
    Angela on July 4, 2026 at 7:02 pm

    Hello and happy 4th of July from MA!

    Reply
  90. Ethan
    Ethan on July 4, 2026 at 7:02 pm

    The fireworks are very pretty

    Reply
  91. David
    David on July 4, 2026 at 7:02 pm

    Proud to be American! Happy Fourth of July, Acellus!

    Reply
  92. Tessa
    Tessa on July 4, 2026 at 7:02 pm

    Hello from Missouri! Happy 4th of July!!!

    Reply
  93. Jennifer
    Jennifer on July 4, 2026 at 7:02 pm

    Happy 4th of July everyone!

    Reply
  94. Niko
    Niko on July 4, 2026 at 7:02 pm

    Hello from Costa Rica

    Reply
  95. Elijah
    Elijah on July 4, 2026 at 7:02 pm

    Hi from mo

    Reply
  96. Landon
    Landon on July 4, 2026 at 7:02 pm

    Happy 4th of July!

    Reply
  97. Ryder
    Ryder on July 4, 2026 at 7:02 pm

    Happy 4th of July! From Virginia.

    Reply
  98. Malia
    Malia on July 4, 2026 at 7:02 pm

    Happy 4th of July!

    Reply
  99. Dante
    Dante on July 4, 2026 at 7:02 pm

    Hello from Texas and Happy 4th of July!

    Reply
  100. Emily
    Emily on July 4, 2026 at 7:02 pm

    Cant wait for today’s episode!!!

    Reply
  101. Lucas
    Lucas on July 4, 2026 at 7:02 pm

    hi from tn

    Reply
  102. Makayla
    Makayla on July 4, 2026 at 7:02 pm

    This is really good

    Reply
  103. Faith
    Faith on July 4, 2026 at 7:02 pm

    Happy 4th everyone!!!

    Reply
  104. Corey
    Corey on July 4, 2026 at 7:02 pm

    I am grateful to be an American and an Acellus student. Happy fourth of july

    Reply
  105. Ruud
    Ruud on July 4, 2026 at 7:02 pm

    Happy b-day America!

    Reply
  106. Larissa
    Larissa on July 4, 2026 at 7:02 pm

    Happy 250th Birthday America!!! Happy 4th of July everyone!

    Reply
  107. Mavis
    Mavis on July 4, 2026 at 7:02 pm

    Happy Fourth of July!

    Reply
  108. Makayla
    Makayla on July 4, 2026 at 7:02 pm

    this is really good

    Reply
  109. Victoria
    Victoria on July 4, 2026 at 7:02 pm

    Happy Independents Day have a great summer !

    Reply
  110. Colton
    Colton on July 4, 2026 at 7:01 pm

    happy 4th!

    Reply
  111. Obi
    Obi on July 4, 2026 at 7:01 pm

    I really enjoyed the video.

    Reply
  112. Yonah
    Yonah on July 4, 2026 at 7:01 pm

    Happy fourth of July, everybody! Glad to be here!

    Reply
  113. Benjamin
    Benjamin on July 4, 2026 at 7:01 pm

    Hi from Brazil! Super excited for today

    Reply
  114. Juliet
    Juliet on July 4, 2026 at 7:01 pm

    Hello from Texas!!

    Reply
  115. Alberto
    Alberto on July 4, 2026 at 7:01 pm

    Happy 4th of July

    Reply
  116. Alessa
    Alessa on July 4, 2026 at 7:01 pm

    Happy 4th of July. Hello from NYC

    Reply
  117. Kennadi
    Kennadi on July 4, 2026 at 7:01 pm

    Hey from Kentucky

    Reply
  118. Zoe
    Zoe on July 4, 2026 at 7:01 pm

    Happy birthday America!

    Reply
  119. Ethan
    Ethan on July 4, 2026 at 7:01 pm

    Hello from iowa!

    Reply
  120. Ethan
    Ethan on July 4, 2026 at 7:01 pm

    hello from fl!

    Reply
  121. Dylan
    Dylan on July 4, 2026 at 7:01 pm

    Happy 4th of July!

    Reply
  122. Olive
    Olive on July 4, 2026 at 7:01 pm

    Happy birthday America!!!!

    Reply
  123. Arianna
    Arianna on July 4, 2026 at 7:01 pm

    Hello Everyone From Virginia, Happy 4th Of July And Have A Great Summer!

    Reply
  124. Christopher
    Christopher on July 4, 2026 at 7:01 pm

    hello from va

    Reply
  125. Mckenzie
    Mckenzie on July 4, 2026 at 7:01 pm

    Excited for this Science live!!

    Reply
  126. Jesse
    Jesse on July 4, 2026 at 7:01 pm

    Hi I’m so excited for this video!

    Reply
  127. Jazmyne
    Jazmyne on July 4, 2026 at 7:01 pm

    Happy 4Th of July!!

    Reply
  128. Ethan
    Ethan on July 4, 2026 at 7:01 pm

    Happy 250 years!!!

    Reply
  129. Adrian
    Adrian on July 4, 2026 at 7:01 pm

    Hello from alabama

    Reply
  130. Kaylee
    Kaylee on July 4, 2026 at 7:01 pm

    happy fourth of July everyone

    Reply
  131. Annahmarie
    Annahmarie on July 4, 2026 at 7:01 pm

    I wonder what R-51 is going to do this time?

    Reply
  132. Zen
    Zen on July 4, 2026 at 7:01 pm

    Hello everyone to day is a biiiiiiiigggggg day

    Reply
  133. Maximilian
    Maximilian on July 4, 2026 at 7:01 pm

    So exciting! Happy 250th Anniversary of the United States of America!

    Reply
  134. Willow
    Willow on July 4, 2026 at 7:01 pm

    Greetings from USA, and Happy 250th birthday, America!!

    Reply
  135. Sophia
    Sophia on July 4, 2026 at 7:01 pm

    Happy 4th of July

    Reply
  136. Mai`leya
    Mai`leya on July 4, 2026 at 7:01 pm

    Hello from mississippi

    Reply
  137. Raymond
    Raymond on July 4, 2026 at 7:01 pm

    Hello from Texas!!

    Reply
  138. Jadon
    Jadon on July 4, 2026 at 7:01 pm

    Happy 4th of July

    Reply
  139. Essence
    Essence on July 4, 2026 at 7:01 pm

    Hello from Alaska!!

    Reply
  140. Gavin
    Gavin on July 4, 2026 at 7:01 pm

    Happy 4th of July!!!

    Reply
  141. Ansel
    Ansel on July 4, 2026 at 7:01 pm

    Happy 4th of July!

    Reply
  142. Efrain
    Efrain on July 4, 2026 at 7:01 pm

    happy 4th of july

    Reply
  143. Gabriel
    Gabriel on July 4, 2026 at 7:01 pm

    Goodevening happy 4th

    Reply
  144. Ian
    Ian on July 4, 2026 at 7:01 pm

    Hello from Montana and happy fourth of July Everyone!

    Reply
  145. Abigail
    Abigail on July 4, 2026 at 7:01 pm

    hello everyone and science live! happy 4th of july

    Reply
  146. Tru
    Tru on July 4, 2026 at 7:01 pm

    hi from San Diego

    Reply
  147. Konrad
    Konrad on July 4, 2026 at 7:01 pm

    Happy 4th of July from Alaska.

    Reply
  148. Faith
    Faith on July 4, 2026 at 7:01 pm

    Good evening from Texas

    Reply
  149. James
    James on July 4, 2026 at 7:01 pm

    happy 4th of july!

    Reply
  150. Jacob
    Jacob on July 4, 2026 at 7:00 pm

    happy 4th!

    Reply
  151. Michelle
    Michelle on July 4, 2026 at 7:00 pm

    Happy Fourth of July!! So excited for this Science Live!

    Reply
  152. Tanner
    Tanner on July 4, 2026 at 7:00 pm

    Hello from Belton, TX

    Reply
  153. Prestyn
    Prestyn on July 4, 2026 at 7:00 pm

    Hi from West Virginia, excited for the episode!!

    Reply
  154. Maria
    Maria on July 4, 2026 at 7:00 pm

    Hello, happy 4th of July, everyone!!!

    Reply
  155. Sean
    Sean on July 4, 2026 at 7:00 pm

    Hello from NJ! Happy 4th!

    Reply
  156. Caitlynn
    Caitlynn on July 4, 2026 at 7:00 pm

    hiii from san diego

    Reply
  157. Zofia
    Zofia on July 4, 2026 at 7:00 pm

    Excited for today’s Science Live!

    Reply
  158. Ali
    Ali on July 4, 2026 at 7:00 pm

    Happy 4 of july

    Reply
  159. Riley
    Riley on July 4, 2026 at 7:00 pm

    happy fourth of july everyone!

    Reply
  160. Gillian
    Gillian on July 4, 2026 at 7:00 pm

    Happy 4th everyone!!! Cannot wait!

    Reply
  161. Taylor
    Taylor on July 4, 2026 at 7:00 pm

    Happy Fourth of July evrybody!

    Reply
  162. Kendra
    Kendra on July 4, 2026 at 7:00 pm

    Happy independence day!!!

    Reply
  163. Briahna
    Briahna on July 4, 2026 at 7:00 pm

    Hi from Texas!

    Reply
  164. Isabella
    Isabella on July 4, 2026 at 7:00 pm

    Hi so excited

    Reply
  165. Jace
    Jace on July 4, 2026 at 7:00 pm

    hi from ky happy forth!!!!!!

    Reply
  166. Torren
    Torren on July 4, 2026 at 7:00 pm

    first comment!!!!

    Reply
  167. Rocco
    Rocco on July 4, 2026 at 7:00 pm

    So cool

    Reply
  168. Gwendolyn
    Gwendolyn on July 4, 2026 at 7:00 pm

    hi from Michigan ☺️🎆

    Reply
  169. Bailey
    Bailey on July 4, 2026 at 7:00 pm

    hello from Nc!

    Reply
  170. Zoe
    Zoe on July 4, 2026 at 7:00 pm

    Love from Jersey!

    Reply
  171. Allyssa
    Allyssa on July 4, 2026 at 7:00 pm

    Hi from Texas

    Reply
  172. Kaylee
    Kaylee on July 4, 2026 at 7:00 pm

    Hello from Illinois!

    Reply
  173. Isa
    Isa on July 4, 2026 at 7:00 pm

    I loved the video

    Reply
  174. Vincent
    Vincent on July 4, 2026 at 7:00 pm

    Happy 4th

    Reply
  175. Stephany
    Stephany on July 4, 2026 at 7:00 pm

    excited for today’s live!!

    Reply
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