Continuity mistake: When Dr. Pincus joins Gwen to examine Pepe, in the first overhead shot of Pepe the things on the table around his head change in the next shot. (00:41:10)
Continuity mistake: The night before the surgery Pincus pours a drink and then puts it down. The level in the bottle gets higher between shots.
Continuity mistake: At his apartment, as Dr. Pincus stirs the milk on the stove, when Frank is in the kitchen talking about why he doesn't like Richard, the white mug changes position on the counter. (01:00:45)
Continuity mistake: When Dr. Pincus is in Gwen's apartment sitting on the chair next to the Great Dane, Gwen sits on the couch, opposite him. When Gwen sprays the air freshener she holds the can out as it heavily mists the air all around, in front of her. Yet in the shots facing Dr. Pincus, there are no droplets whatsoever in front of him. (00:52:45)
Continuity mistake: When Marjorie's daughter reads the letter, she holds the envelope with the tear facing out, but then the envelope faces the opposite way, with the tear facing her. (01:24:15)
Continuity mistake: Having given Richard the nitrous oxide, Frank and Dr. Pincus pass three cars near the corner and they continue walking up the street. Those cars are visible in the distance behind Frank as he stands there wondering why he's still there, but in the next shot as he still stands there he is back beside those cars. (01:12:20)
Continuity mistake: When Dr. Pincus sits and stares at the three bottles of white Colyte solution, there is a close-up of one of the prescription labels with a red sticker underneath reading "warning: laxative agent". The red sticker is gone in all the other shots of the bottles. (00:08:35)
Continuity mistake: When Dr. Pincus pours the white Colyte solution from the bottle into his drinking glass, the liquid is about an inch from the top of the glass in the overhead shot, but next shot as he lifts the glass there is considerably less liquid in his glass. (The other MM mistake notes the level of liquid in the bottle.) (00:08:40)
Continuity mistake: The day after his procedure, when Dr. Pincus is wheeled to the elevator and asks the nurse about all the people in his room the night before, the handle on his overnight bag flips to the other side between shots. (00:13:15)
