Plot hole: Darrin tells Samantha that Larry thinks the Stephenses are having a costume party. While Larry earlier had said that to himself when he looked through the Stephens' living room window, he never said it to Darrin. Submitted by Jeff Swanson

Revealing: As Larry walks up to the Stephens' house, his shadow falls across the "house" and "street" behind him, revealing that it is a painted backdrop. Submitted by Jeff Swanson

Revealing: As Serena gets hit by the pie her real blonde hair shows underneath, also, she wear minimal make-up for the only time.

Continuity: The laundry room is far too large to fit into the space it appears to occupy beside the Stephens' kitchen. Submitted by Jeff Swanson

Visible crew/equipment: There's a reflection of a man in a white shirt and jeans visible in the toaster between Darrin and Samantha. Submitted by Jeff Swanson

Revealing: In this episode when the Gremlin, Goblin, Jack-o-Lantern, and Sam are peeking in through the back window, the gremlin turns to look at Sam when she is speaking and his ear passes through the area where there is supposed to be glass.

Visible crew/equipment: When Samantha and Aunt Clara are on the roof of the house, the shadow of what appears to be someone's arm appears against the "sky" backdrop on the left side. Submitted by Jeff Swanson

Factual error: When Abner opens the carton in their garage, Gladys asks what it is, Abner replies that it is a table saw, however, it is a radial arm saw.

Continuity: Before this episode (and after as well) Darrin and Samantha give their address as 1164 Morning Glory Circle, however in this episode, when Darrin slams the door, the '9' in 192 on their address spins around to make 162, hence the angry neighbor at 162 saying that his grass was installed at the Stevens' by mistake.

Continuity: The amount of toys on the floor suddenly increases as Michael's mother heads to the front door. Submitted by Jeff Swanson

Audio problem: Tabitha is heard saying "Okay," but her lips don't move. Submitted by Jeff Swanson

Visible crew/equipment: Right after Samantha, Darrin and Tabitha pop out of the living room, the shadow of what looks like a camera rolling backwards can be seen on the floor. Submitted by Jeff Swanson