The first occurrence of the multiple repeated knocks appears in Series 1 Episode 10 - The Loobenfeld Decay:
Sheldon: (Knock, knock, knock, knock) Leonard, (Knock, knock, knock, knock) Leonard, (Knock, knock, knock, knock) Leonard...
Sheldon: (Knock, knock, knock, knock) Penny, (Knock, knock, knock, knock) Penny, (Knock, knock, knock, knock)Penny, (door opens) Good morning.
Season 3, Episode 22: The Staircase Implementation
The Big Bang Theory episode where Sheldon Cooper plays the theremin is entitled The Bus Pants Utilization.
In Season 3, episode 16 on the episode entitled The Excelsior Aquisition, Sheldon goes to jail for contempt of court after insulting the judge while fighting a traffic ticket.
Uh.... I don't understand your question. I don't remember an episode of "The Big Bang Theory" in which Sheldon and Leonard did that to each other.
episode 8, season 3, 'The Adhesive Duck Deficiency'
That's the season 2 Christmas episode, and the first Big Bang Theory Christmas episode. The episode number is 11 and the name is "The Bath Item Gift Hypothesis"
The Big Bang Theory episode where Sheldon Cooper plays the theremin is entitled The Bus Pants Utilization.
It was an actor
In the World of Warcraft episode of "The Big Bang Theory", Sheldon's name was Sheldor.
In Season 3, episode 16 on the episode entitled The Excelsior Aquisition, Sheldon goes to jail for contempt of court after insulting the judge while fighting a traffic ticket.
Uh.... I don't understand your question. I don't remember an episode of "The Big Bang Theory" in which Sheldon and Leonard did that to each other.
Yes, in the episode, The Opening Night Excitation, the eleventh episode of the ninth season
episode 8, season 3, 'The Adhesive Duck Deficiency'
"The Bath Item Gift Hypothesis" Season 2, Episode 11
That's the season 2 Christmas episode, and the first Big Bang Theory Christmas episode. The episode number is 11 and the name is "The Bath Item Gift Hypothesis"
You're probably thinking of Episode 2 of Season 4, "The Cruciferous Vegetable Amplification."
Bing Bang Theory*** not band
Sheldon never strips for cancer on The Big Bang Theory. However in the episode The Pants Alternative, Sheldon becomes nervous about having to give an acceptance speech for an award and Penny gives him some champagne. He then gets up to receive the award, tells some off-color jokes then proceeds to remove his pants, which is later revealed by a YouTube video the morning after.