Revealing mistake: After Toad jumps over a Sledge Bro, it briefly overlaps him. (00:09:14)
Dawn and the Haunted House - S1-E2
Revealing mistake: Stacey can be heard whispering instructions to the kids she and Dawn are watching.
Not Kansas - S3-E21
Revealing mistake: As the guy fires the machine gun at Guardian, there's a closeup of bullet casings falling to the ground, but they're not just empty casings, they're fired blank rounds.
Monkeyman! / Buses, Bikes and Subways - S5-E1
Revealing mistake: Buses, Bikes, and Subways: When Helga and Harold are riding the clown bike, a tall clown and two little clowns start chasing them. As the clowns are running, the left little clown is layered over the tall clown's right leg for a few frames, and the right little clown runs right through it. (00:17:39)
Revealing mistake: When Major Popov aims the rocket launcher at the Venus probe, there is no rocket in the launcher- it is just an empty tube.
Flash Gordon and the Planet of Death - S1-E1
Revealing mistake: In the flashback of the scientists' fate on the planet of Death, the sole survivor manages to run away and avoid the ray of "Belfagore" (which is just a big flashlight). Problem is, he does not; before hitting Bending behind him, the beam fully lit up his back, but he suffers no adverse consequences, no dropping dead for Jefvus. (00:06:40)
Revealing mistake: In the final chase scene, the substitution of a stunt double is noticeable when Malachi Throne's character suddenly acquires considerably more hair. (00:40:10)
The Resurrection of Joe November - S3-E24
Revealing mistake: Stock footage used for the Mardi Gras scenes shows a crowd dressed in 20th Century clothing.
Revealing mistake: When Caleb arrives, as he's talking to Billaba and Grey, his Padawan braid clips through his cloak as it sways back and forth. (00:02:05)
Revealing mistake: When the channel 6 crew member is telling April they should go, his hand disappears for a frame.
The Thanksgiving Story - S2-E10
Revealing mistake: The close ups of Daniel and Jericho on the wagon show a pale blue background but the long shots show them on a heavily wooded trail crowded with large green trees behind them.
Revealing mistake: Many times throughout the series, the wires that hold up and control the models of the Eagles are easily seen.
Revealing mistake: When Agatha's apparent nemesis makes her grand entrance, blasting the front door open, the powerless witch gets thrown against the closet door. The face of Kathryn Hahn's stunt double is fully visible before the camera cuts away to show the fall. (00:30:45)
Revealing mistake: In the song "Living Island", we see Judy frog jumping over Pufnstuf. When she goes back down, the wires holding her up and putting her down are visible.
Revealing mistake: Whenever Isis has to do jumps you can tell it's not her but a stunt double.
Revealing mistake: When the assistant gets thrown into the wall by the brain controlled Gar-tiger, there are already marks on the point of impact, from previous takes.
Ashes, Ashes - S1-E6
Revealing mistake: It's pretty obvious that Scott Glenn, the actor playing Stick, just has his hand wrapped up to look like it has been cut off. Both his hands are at equal length when his arms are down by his sides.
Revealing mistake: When Lupin shows the Mondini file to Jigen, the text is mere Lorem Ipsum filler. (00:10:40)
