When Sheldon's suggestion on landing the rocket booster back is not taken seriously by a NASA scientist, he decides to pursue theoretical physics and works out the full details to prove his point.
Did You Know?
This episode was viewed by 12.11 million people and had a rating of 2.1 (adults 18-49). See more
When Sheldon proclaims that he has an ulcer his mother reminds him that he also thought he had "mad cow" disease in the past. The first case of bovine spongiform encephalopathy being transmitted to humans as new Variant Creutzfeldt-Jakob disease was identified in 1996, 7 years after this incident in the show's timeline. See more
I can't die. I've only kissed one boy.
Don't worry, it was years ago.
Performed by Herbie Hancock See more