Cartman Gets an Anal Probe is the shortened version of The Unaired Pilot.
- The stars in the background change 2 times when Cartman is tied to the trees.
- Kenny's eyes come out his parka when Stan asks Cartman if "those visitors the same you saw"
- When Kyle shouts "COME DOWN HERE YOU STINKING ALIENS!" he has Stan's voice.
- In one little frame, the visitor's ship if falling apart, just before Kenny is shot.
- Red is in two places in the classroom.
- Mr Hat has no eyes in this episode.
- When Pip is on fire, the caption says he's a girl.
- Officer Barbrady's left ear turns pink when he is dancing.
- On the Bus, Bebe and Rebecca have no mouths, they then dissappear and reappear later.
- Two kids in the cafeteria line dissappear.
- Straight after when Ms. Crabtree says "Well yes they certaintly do" her bird dissappears.
- The parka's laces aren't there in the opening scene.
- Lots of children appear when Kyle runs down the bus.
- The boy that Jason sits next too changes when Wendy comes up.
- When Chef comes from the cafeteria counter, Kyle's hat flaps move.