When Eddie discovers his car seems to be missing, he goes to open the garage door. A crew member can briefly be seen on the right of the screen, wearing a white shirt and khaki pants.
In the scene which Myra and Steve are playing accordions, at one point you can hear the tape starting off camera.
When Max, Laura, Steve, Eddie, and Waldo are having their five-way phone conversation, Eddie tells Waldo to pick Maxine up at seven, but no one tells Maxine what time to be ready.
Judy Winslow makes her final appearance in this episode.
When Steve moves toward Laura and the gigantic Valentine's box of chocolates tips over on him, you can tell it wasn't on purpose. Jaleel keeps in character quite well, but you can see Kellie start to laugh. They cut to a different angle and she looks surprised, as if they cut and decided to use it.
When Laura is going to the library, she takes her multi-colored jacket from a hook on the back of the door. When Carl comes into the room to talk to Laura (which is actual Steve covered up in the bed), the jacket is still hanging on the back of the door. When he catches Laura sneaking back into the room, she has the jacket on and it is missing from the back of the door again.
Eddie and Steve lower the window shades before going to bed. When Carl arrives, the shades are back up.
We learn Weasel's full real name is Alex Parks.
When Eddie and Steve sign the paper, the landlord leaves without giving either one of them a key to the apartment.
When Tommy's mother brings in Richie and says they had a mix-up, Rachel insists she knows her own son, but Richie is taller than Tommy so she should've known something was up.
This episode features Harriette with a piano instructor, but in the credits of season 1 you see her playing it when her credit rolls.