“The Bath Item Gift Hypothesis” (2008)
Christmas is a source of stress for Leonard - whose handsome colleague starts dating Penny - and his friends, who are being tormented by Sheldon's obsession with gift-giving etiquette.
The Big Bang Theory / Christmas
Looking for the Christmas episodes of The Big Bang Theory? Here's the complete list, all 5 of them, with season and episode numbers so you can jump straight to the right one, plus a quick note on why each is worth your evening.
Christmas is a source of stress for Leonard - whose handsome colleague starts dating Penny - and his friends, who are being tormented by Sheldon's obsession with gift-giving etiquette.
Sheldon revisits some Christmas memories during a game of Dungeons and Dragons, while Penny, Bernadette and Amy try to find a girl for Koothrappali when he joins the girls for ladies' night.
On Christmas Eve, Amy plans a traditional Victorian dinner, while Raj, Leonard and Howard scramble to remove a pigeon that flew into the clean room at the university. To prove a point to Amy, a Scrooge-like Sheldon buys her the worst possible gift.
Sheldon and Wolowitz plan birthday celebrations for Amy and Halley, respectively. Also, Leonard receives a Christmas letter from his brother that causes him to spiral out about his own lack of accomplishments.
While Sheldon is away in Texas, everyone gathers to decorate the apartment Christmas tree, and they each realize how much he has changed their lives.
There are 5 Christmas episodes of The Big Bang Theory, from “The Bath Item Gift Hypothesis” (S02E11, 2008) through “The Celebration Reverberation” (S11E11, 2017).
A good place to start is “The Bath Item Gift Hypothesis” (S02E11, 2008). Christmas is a source of stress for Leonard - whose handsome colleague starts dating Penny - and his friends, who are being tormented by Sheldon's obsession with gift-giving etiquette.
The most recent is “The Celebration Reverberation” (S11E11, 2017).
They're spread across 5 seasons, from season 2 to season 11.