The Justice League Recombination Season 4, Episode 11 - Aired December 16, 2010
With New Year's Eve approaching, the guys invite Zack and Penny to join their Justice League group at the comic book store's annual costume party. Their hopes of finally winning the contest this year are dashed when Penny pulls out.
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Director: Mark Cendrowski
Viewers: 13.23 million Households Rating: 7.9/13 Adults 18-49 Rating: 4/13
- The title references the Justice League costume group which the guys invite Penny and Zack to be a part of.
When the guys go to Penny's apartment to apologize for their ridiculing of Zack, Leonard knocks on Penny's door three times and Sheldon feels compelled to say "Penny." Later, Sheldon, dressed as the Flash, knocks on Penny's door frantically, saying "Penny" each time.
Raj: I've said this before and I'll say it again: Aquaman sucks!
Zack: You know, I saw this great thing on the Discovery Channel. Turns out if you kill a starfish it'll just come back to life.
Sheldon: Was the starfish wearing boxer shorts? Because you might have been watching Nickelodeon.
Zack: Whoa, You dated Penny?
Leonard: She didn't tell you?
Zack: She told me she dated a guy named Leonard. Who would have thought it was you?
Leonard: Who else would it be?
Zack: I don't know. Somebody bigger and - yeah, sure. Why not you?
Sheldon: I'm not Sheldon. I'm the Flash. And now I'm going to the Grand Canyon to scream in frustration *takes two quick steps* I'm back
Zack: You're inferring I'm stupid.
Sheldon: That's not correct. We implied you're stupid, you then inferred it.
After Penny and Zack get back together, the guys make fun of his lack of intelligence. When Zack realizes what they're doing, Penny scolds the guys for bullying him.
The guys go over to Penny's apartment to apologize and invite Zack to the comic book store with them. At the store, they realize Zack would make a great addition to their Justice League group for Stuart's New Year's Eve costume party.
When the guys settle on their costumes, Raj is stuck being Aquaman. The guys buy a Wonder Woman costume for Penny, but she is not interested. Penny eventually relents and agrees to dress as Wonder Woman, but she refuses to wear the wig that goes with the costume. As Leonard talks Penny around, she admits that she's unhappy because she's not in a proper relationship and isn't really interested in Zack.
At the comic book store, the group wins the costume party. When it strikes New Year's Day, Zack is kissing Penny, though she's looking over at Leonard. On their way home from the party, the guys witness an ongoing car theft, but decide against acting like superheroes and walk in the opposite direction.