Revealing: When Alex's uncle comes to visit, Alex and her uncle are in a scoreboard watching a basketball game. Alex's uncle says a spell where everyone's head spins around, and you can see they are fake heads.

Continuity: After Mrs. Russo puts Justin and Max in the lair, she is wondering if she should put the big lock on the door or not. She decides not to and puts the lock down on the counter. 2 shots later you see the lock is back on the door, but unlocked. You never see Mrs. Russo put the lock on the door.

Plot hole: We know that the Russos have kept Dragon. But in later episodes, he is never mentioned or seen.