The Big Bang TheoryS04E11

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The Big Bang Theory : The Justice League Recombination

S04, E11 (First Aired: December 16, 2010)

The guys enter a costume contest with Penny's new boyfriend.

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Guests:

We're sorry, there are no national broadcasts of this TV show in the next two weeks.

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S04, E10 (First Aired: December 9, 2010)

Amy realizes she has feelings for Penny's ex; Koothrappali and Wolowitz try to prove who would be a better superhero.

S04, E12 (First Aired: January 6, 2011)

Leonard's idea for a smartphone application causes friction in his friendship with Sheldon.

See all episodes