Other mistake: In the scene where Yakko, Wakko and Dot are sitting at their desks repeating Miss Flamiel's every word, Wakko is drawn without legs (only feet) during one shot.
Come Back, Little Googie - S1-E25
Other mistake: When Eddie's naughty little friend goes to shake hands with Herman they insert a quick close up of a hand buzzer in his hand, only it's obviously an adult's wrinkly hand.
Other mistake: When Michael walks into his office and sees Shawn, Michael is wearing a wedding ring. Looks like he forgot to take it off prior to shooting the scene. (01:00:00)
Other mistake: Kendra slaps the right side of Donna's face to stop her from freaking out. Donna then rubs the left side of the her face. (00:14:05)
Doug and the Weird Kids / Doug's Behind The Wheel - S3-E6
Other mistake: Doug's Behind the Wheel: When Judy parallel parks the car, as Doug tells her that she just parallel parked, he sticks his hand right through her seatbelt to touch her shoulder. (00:21:51)
Other mistake: Season 50, Episode 5: During the 'Family Bonds' skit, the presenter says the show was about a single father raising two daughters, but in the clips, it's a son and a daughter.
Other mistake: As LeBeau is being interrogated, on the barometer behind Schultz you can make out the word "fair." What is a barometer labeled in English doing in a German counter-intelligence headquarters?
Is Lupin Burning... ?! - S1-E1
Other mistake: The logo of the evil organization, Scorpion, contains just a little misspelling. It's missing the R. (00:02:50)
Blue Wants to Play a Game - S1-E12
Other mistake: The jigsaw puzzle Steve and Blue help Shovel and Pail with has a picture of everyone playing musical chairs from the Mailbox's Birthday episode, but Steve suddenly isn't in the puzzle. He played musical chairs, so he should've been in the puzzle.
Hard Bargain - S1-E9
Other mistake: When one of the kidnappers knocks on Michael's door, it shows him undoing a sliding barrel bolt before opening it, but the bolt does not have anything it slides into on the door frame rendering it pointless, especially as the door opens inwards. (00:30:20)
Other mistake: Vincenzo is looking at a photo of the gorilla Kolchak took of it earlier in the episode. It is a side shot, but Kolchak took two pics when he encountered it, one frontal, and the other shot as the creature was running away from Kolchak and the authorities.
Other mistake: It is previously explained that Jake cannot grow a moustache, then a few seasons later Jake goes to prison and grows a moustache.
Other mistake: At the end, when Siegfried is about to shoot Max, if you look in the chambers of his gun, there's no bullets in there. So Siegfried is going to kill Max with a puff of air.
Log 51: A Jumper, Code 2 - S1-E19
Other mistake: Halfway through the show, the officers walk across the street to talk to some young toughs. The school sign painted on the street is spelled "Schol".
Other mistake: When Chris is waiting to save Judi, he reads the article about her and says "oh, she's a teacher." However, the article says Judi is an insurance claims adjuster.
The World Needs Heroes. Over. - S2-E9
Other mistake: The Doctor, coming up from the basement of his house, is locking both deadbolt locks using a key held in his right hand. He logically would use the same hand to put the key in his upper left pocket. Richard who is watching through binoculars uses a walkie talkie to inform both Ezra and Jules that the Doctor has put the keys in his upper left pocket. However, the next scene shows the Doctor with keys now in his left hand placing the keys in his upper right pocket. This doesn't match what Richard says he observed. (00:24:42)
The Case of the Missing Monkee - S1-E17
Other mistake: When Peter is tied up at the Remington Clinic, as the camera does a pan from behind him, you can see that he has been tied with a quick-release knot.
Other mistake: In the starting titles, the newspaper clippings state that Doogie sails through high-school in 9 weeks, the article says he is 12 years old. The next clipping says he graduates from Princeton at age 10.
Other mistake: The FBI agents call for a taxi and official transportation from the Evans apartment and gave the address of 963 North Gilbert. However, the Evans lived at 921 North Gilbert. Since the FBI was at their apartment, you would think that they would know the address or exactly where they are in a Chicago project. (00:13:03 - 00:28:29)
Other mistake: At the end of the intro, before the logo appears you can see Mojo Jojo's brain. His brain is green and it should be pink.