Reynolds vs. Reynolds: The Cereal Defense - S8-E10
Continuity mistake: During Mac's presentation of science being wrong sometimes, the "bitch" labels move around after he slaps them on.
Continuity mistake: During dinner, items on Frank and Charlie's table move around, for example, the pepper shifts, most noticeably when the house wine is brought over.
Charlie's Mom Has Cancer - S8-E6
Continuity mistake: P-Diddy's glasses appear and disappear when we first see him.
The Gang Gets Analyzed - S8-E5
Continuity mistake: When Dennis tells Mac to take a size pill, the bottle has the cap on. But in the next shot, the cap is off and in Dennis' hand.
Charlie and Dee Find Love - S8-E4
Character mistake: Near the end, when Charlie is leaving to be with the Waitress, Ruby says she wasn't using him "like Charlie was." She's talking about her brother and meant to say "Trevor."
Reynolds vs. Reynolds: The Cereal Defense - S8-E10
Continuity mistake: As Dee says "I would like a five with my client" she puts her arm across Dennis' arms. Shot cuts to the side and both her arms are clasped in front of her.