Two and a Half Men (2003)

Ixnay on the Oggie Day - S7-E18

Revealing mistake: Charlie turns the money he's holding toward the camera, making it too obvious that it's prop money and not real.

Jeff Swanson

I Can't Afford Hyenas - S1-E14

Charlie: Your dad owns a bank?
Rose: Well no. Me, my brother and sister own 49%.
Charlie: Really.
Charlie: What about your mum?
Rose: Oh she doesn't have a bank.
Charlie: Oh.
Rose: She's in oil.

Trivia: Charlie Sheen puts his jacket on the same way his father Martin Sheen did in the series The West Wing.

Show generally

Question: What's the name of the episode where Charlie and Alan are hiding in the Toilet and Alan says "Charlie" and then Charlie says "I told you it might take a while"?