Continuity mistake: Dave goes to the hospital to visit Night Bitch. He said "I'm Kick Ass", while removing his glasses with his left hand. In his right hand, he has flowers. When he sits on the bed he is instantly wearing his glasses again.
Continuity mistake: When Cleo and Mark are playing basketball, when Mark shoots for the first time Cleo is standing to the left of the hoop - when the ball hits the rim it launches off the rim to the right, but in the next shot Cleo has the ball.