Abed heads to a convention to meet his pen pal on Community. "Conventions of Space and Time" is the third episode of the show's fourth season.
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Community Season 4 Episode 3 Quotes

Did you know that in ancient Greece, it was considered an honor to invite a person my age to a space convention?

Pierce

Do we want [Abed] to freak out and have to rescue him from some fantasy world where submarines are small enough to enter the bloodstream?

Troy