Continuity mistake: When Gloria is confronting her "baby's daddy", her earrings keep disappearing and reappearing.
Continuity mistake: In the scene where Robin and Michael are about to make love, Robin supposedly removes her underwear and throws them on the floor. As Michael climbs on top of her, you can see that she still has on her underwear and tries to cover herself with a blanket.
Continuity mistake: When Bernie is on her bed reading the letter from the man she met in the bar, her daughter points to the glass ceiling and says "look mama, God has stopped crying" as the rain stops. In the next scene, Bernie and the daughter are still on the bed and there is a window behind Bernie and the rain is still coming down.