Continuity mistake: In the scene just before Miss Piggy and Eileen get fired from the department store, Miss Piggy is watching Kermit and Jenny hug. She then bends a metal pole in half and starts hitting a barrel with it. When she first starts hitting it, the pole she is hitting it with is very thick(much thicker than the one she bent in half), is a different colour and not bent in any way. In the next shot the pole is thinner,longer and looks like the one she originally had, but it is only bent at the top whereas Miss Piggy bent it in the middle. In the next shot of her after that, the pole is now thicker (but not as thick as the first one), is not bent and the colour has changed again. Also if you look around the area where Miss Piggy is, there is only one type of pole lying around, so where did the other two come from? (00:30:15)
Continuity mistake: We first see from the inside of the door (and therefore backwards) the instructions that Mr. Miyagi leaves for Daniel to paint the house. In the next shot we see the same note from the outside - from Daniel's viewpoint. Clearly they are two different notes. The left & right arrows switch directions, the drawings of the hands change, the position of Miyagi's signature changes, and the placement of some of the exclamation points changes.
Continuity mistake: The tree creature pulls Mace's right hand and arm into the tree. Later, after giving Cindel the medicine, an Ewok examines the wound, which has switched to his left hand.
Continuity mistake: Right after Alex and Beta have their argument in Alex's Bedroom, Louis wakes up and then pretends to fall back asleep. In the shot (with the door that Alex just used in the background) Louis gets up again and bends over to look at Beta, he's moving towards the camera. However, in the next shot, Beta hasn't moved, and he was looking in the direction of Alex (the opposite side of the bed Louis should have been on).