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: After Spock asks Scotty if there's enough battery power to electrify the exterior of the ship, Spock tells everyone, "Get to the center of the ship. Don't touch the plates. Be sure you're insulated," and just as Spock turns in the rear compartment we can see the edge of the shuttlecraft set behind Spock.
Continuity mistake: After Cissy and Danny leave for the concert, when Sharon follows the twins into the kitchen she's wearing tan pointed toe pumps, but in the next shot Sharon places her purse on the kitchen counter then heads toward the table, and now she's wearing very different shoes (the actress is wearing some type of fringe moccasins). (00:09:15)
Don't Look a Gift Horse in the Mouth (a.k.a. Gift Horse) - S1-E8
Continuity mistake: When the landlord is banging at the apartment door, his cardigan changes from blue to brown, and from unbuttoned to buttoned. (00:04:15)