Chardee MacDennis 2: Electric Boogaloo - S11-E1
Continuity mistake: In the long shot of Frank's flag being raised, it clears the beer mat holder, then we cut to a closer shot and the flag is lower and gets raised up again.
Charlie Catches a Leprechaun - S11-E8
Continuity mistake: Dennis is holding a tablet with a kickstand at the beginning of the episode. In one angle, you can see that the kickstand is out. In the rear shot, it's flat against the tablet.
Charlie Catches a Leprechaun - S11-E8
Continuity mistake: When Dennis pulls the gun on the two guys and tells one to press end on the phone, the guy sets the phone down on his left leg. In the next shot he's putting the phone down again but on his right leg.
The Gang Goes to Hell - S11-E9
Continuity mistake: Dee tells a woman on deck that a chair is hers. The woman shows that she already has a towel on the chair. Suddenly, her towel is fully laid out on the chair when she goes to sit down. At no point do we see her put the towel on the chair like it ends up.
