Abed (Danny Pudi) spends the night dressed as Batman. In a moment that signaled Abed's future as the show's "meta" heart, he uses his Batman persona to maintain order and eventually help "rescue" Pierce from his mental breakdown.
Jeff, however, has other plans. He spent the entire statistics class attempting to woo his professor, (played by Lauren Stamile). When she finally agrees to see him at a faculty party on the same night as Annie’s event, Jeff chooses his romantic pursuit over his commitment to the study group. Chaos at the Party Episode 7:Introduction to Statistics
Here is a blog post recap and analysis of this classic episode. Abed (Danny Pudi) spends the night dressed as Batman
Community Recap: Season 1, Episode 7 – "Introduction to Statistics" He spent the entire statistics class attempting to
Struggling with his age, Pierce (Chevy Chase) swaps some of his medication for unknown pills from Star-Burns. This leads to a hallucinogenic "bad trip" where he barricades himself in a massive fort made of tables and chairs.
You can revisit this episode and the rest of Season 1 on Peacock or IMDb for full credits and cast lists. The Ten Best COMMUNITY Episodes of Season One
The episode centers on Annie’s (Alison Brie) attempts to host a successful to earn extra credit for her Spanish class. However, the success of the party hinges on Jeff (Joel McHale) attending, as he is the "cool guy" who validates the event for everyone else.