The Bing That Wouldn't Leave / You Promised! - S1-E11
Continuity mistake: In "The Bing That Wouldn't Leave" Bing often changes size. Most of the time he's about half as tall as Norbert and Daggett but most notably near the end when he hugs Daggett he's about the same size as him.
Give Me Your Princess - S1-E17
Continuity mistake: Commander Keith pilots the blue lion for part of this episode since the princess is trying to learn to fly the black lion. When Keith is transported to the lion it is the black lion.
Laugh, Ed, Laugh/It's Way Ed - S1-E10
Continuity mistake: In "Laugh, Ed, Laugh", when Eddy is gambling with squirrels, he picks up a bunch of nuts, primarily acorns and only a couple of peanuts. But next shot later when he yells, "Suckers!", there are more peanuts shown. (00:05:00 - 00:11:15)
Continuity mistake: When Gumball enters the tent of sweaty cheese, he is covered in slime. When he comes out, he is clean.
Continuity mistake: At the end of the battle between Jaden Yuki and Gravekeeper's Chief, just as the explosion settles, in one shot you see the Gravekeeper's Spear card to the left of Gravekeeper's Chief on the duel disk. However in the next shot Gravekeeper's Spear is replaced with Magician of Black Chaos, which Chief neither has in his deck or ever played in the match. (00:13:35)
Continuity mistake: When they first enter the Y'Lyntian city and are attacked by the Lava Wraiths, Raphael gets his sai melted by them. But after taking their goodbyes from Versallia, Raphael has his sai stuck back in his belt.
Continuity mistake: Before Charlie says to Lola "You must double-triple promise you'll never play with it", he places the rocket beside a black box. Later in the episode, when Lola attempts to get the rocket down to play with it, the rocket is now on top of the black box.
Continuity mistake: When Steven arrives on the Sun Incinerator, he's carrying a large sub (sandwich), which he gives to Lars. After the ship's power goes out shortly thereafter, the sub has vanished.
Continuity mistake: When the Warners emerge from a sealed crate on Miss Flamiel's desk and start singing, Yakko instantly appears behind Wakko and Dot as soon as the shot changes.
Triumvirate of Terror! - S3-E8
Continuity mistake: As the pie is flying towards Batman and the reporter, it is going with the food side first and pan side behind it. But when it shows it going to hit, it is suddenly flying pan side first. (00:05:30 - 00:06:35)
Continuity mistake: As the narrator is saying that Superman disguises himself as Clark Kent, you see Superman standing there perfectly still and the image fades into him having on civilian clothes and turning into Clark Kent. As the image fades, his jaw becomes thinner when he is Clark Kent, despite him being the same person. (00:02:10)
Iron Forged in Fire: Part One - S1-E1
Continuity mistake: Tony walks by some people in the Stark Lounge, and from a high angle their shadows are seen. The shadows are very close to the people’s feet, showing the light source is almost totally overhead. A couple shots later, you see behind Tony as he is walking, the same people in almost the same spot, with their shadows extended out further, as if the light source has moved several feet in front of them, but while they are still inside the building. (00:02:00)
Weirdmageddon: Part 1 - S2-E18
Continuity mistake: Two guys are throwing a frisbee and it lands on the ground. In the next shot, the frisbee is gone.
The Sleeper Shall Awake/Where Walks the Sleeper/The Final Sleep - S1-E11
Continuity mistake: In part 3 an agent of the Red Skull tweaks a letter on a statue to activate the third and final "Sleeper." At a distance you see the statue depicts someone on horseback, one of the horse's hooves is above the ground. As the agent tweaks the letter, all four hooves are on the ground. (00:14:05)
Behold, a Distant Star - S2-E10
Continuity mistake: When Sue is talking about her father going into hiding, the camera is on the right side of a photo album, showing a newspaper clipping of him being wanted for murder. When the shot changes, the contents of that page are now three different photographs. (00:07:32)
Moero! Pegasus Ryuseiken - S1-E2
Continuity mistake: In the first shot where you can see the Galaxian Wars' tournament bracket, Lionet's name is still lit up instead of being greyed out. (00:13:20)
Continuity mistake: When Dum-Dum cuts the rope releasing Chug-a-Boom from the balloon, we cut to the car and you can see Clyde and Dum-Dum are surrounded by the rest of the Ant Hill Mob, but when we see the two in the next shot, the other members are nowhere to be seen.
Continuity mistake: Ryo Ishizaki is wearing yellow boots at first, then blue boots when he's throwing balls to the training partners. (00:02:15)
Continuity mistake: When Chris is trying to activate Hummingbird Power, his skin is suddenly lighter than in the previous shot.
Continuity mistake: When Lemmy falls down from the window and running away from Bowser with Iggy, Iggy's face turns orange. Then later, it turns back to green.