"The Roommate Transmogrification"

Raj moves in with Sheldon on the fourth season finale of The Big Bang Theory. This takes Penny by surprise.

  • 4.0 / 5.0
  • 1
  • 2
  • 3
  • 4
  • 5
"The Engagement Reaction"

When Howard finally breaks the news to his mom that he's engaged to Bernadette, it lands her in the hospital.

  • 3.0 / 5.0
  • 1
  • 2
  • 3
  • 4
  • 5
"The Wildebeest Implementation"

Raj attempts to cure his social anxiety disorder while Penny uses Bernadette to spy on Leonard and his girlfriend.

  • 4.0 / 5.0
  • 1
  • 2
  • 3
  • 4
  • 5
"The Agreement Dissection"

When Priya uses her lawyer skills to pick apart the roommate agreement, the girls take Sheldon dancing on this episode of TBBT.

  • 4.5 / 5.0
  • 1
  • 2
  • 3
  • 4
  • 5
"The Herb Garden Germination"

Sheldon and Amy spread gossip this week. Elsewhere, Howard takes a big step in his relationship with Bernadette.

  • 4.0 / 5.0
  • 1
  • 2
  • 3
  • 4
  • 5
"The Zarnecki Incursion"

Someone has the gall to hack into Sheldon's online game account this week. The guy go on a search to find out who would dare do such a thing.

  • 4.0 / 5.0
  • 1
  • 2
  • 3
  • 4
  • 5
"The Prestidigitation Approximation"

Wolowitz baffles Sheldon this week with a magic trick. Elsewhere, Leonard realizes that there's a problem with him dating Priya.

  • 3.5 / 5.0
  • 1
  • 2
  • 3
  • 4
  • 5
"The Toast Derivation"

Sheldon struggles with a realization on this episode: Leonard who is actually the center of the social group.

  • 3.5 / 5.0
  • 1
  • 2
  • 3
  • 4
  • 5
"The Cohabitation Formulation"

Wolowitz considers going all the way with Bernadette this week. Elsewhere, Leonard rekindles his relationship with Raj's sister.

  • 4.0 / 5.0
  • 1
  • 2
  • 3
  • 4
  • 5
"The Benefactor Factor"

A donor is willing to give Leonard a lot of money this week. In exchange for sex from him, that is.

  • 3.5 / 5.0
  • 1
  • 2
  • 3
  • 4
  • 5

TBBT Quotes

Penny: What actor holds the record for being named People magazine's Sexiest Man Alive?
Sheldon: William Shatner!
Leonard: I don't think it's Shatner.
Sheldon: Then it's got to be Patrick Stewart

Penny: Here's a question-- as an alien pretending to be human, are you planning to engage in any post-prom mating rituals with Amy?
Sheldon: There are post-prom mating rituals?
Penny: Not always. Unless your date drives a van with an air mattress, then always.
Sheldon: Well, if it's part of the prom experience, then I'm open to it.
Penny: You're kidding.
Sheldon: I may be an alien, but I have urges.If Amy wants to copulate by firing her eggs into space, well, then, I will happily catch them with the reproductive sac on my upper flermin. I'm not the best at reading facial cues, but I can see that you're a little turned on.