Surf's Up! Joker's Under! - S3-E10
Visible crew/equipment: After Batman wins the competition, when Hot Dog is finally released from the trash can Joker rushes over to claim it was just a little joke, and the microphone pops up into view at the bottom of the screen. (00:21:10)
Visible crew/equipment: Oliver (a dog) jumps up on Uncle Bill's bed and starts barking at him. The real reason the dog is barking: in the shots of Oliver, the shadow of a towel or some sort of toy can be seen being waved around in order to agitate the animal. It even briefly pops into the shot a couple of times. (00:10:45)
Continuity mistake: When Davy is telling Mike and Peter that Otto and Sigmund are trying to kill Bettina, the sandwich Mike has switches from his left hand to his right hand in a split second.
Goodbye, Hello, Goodbye - S1-E2
Continuity mistake: In Season 1, Episode 2 ("Goodbye, Hello, Goodbye"), just before Ann Marie and the doorman enter her new apartment with 2 suitcases and a handbag, a wider view of her apartment shows the same 2 suitcases and handbag sitting inside by the door. (00:03:34)