Continuity mistake: In Season 2 Episode 22, Model Behavior, Woody has gotten his braces off. However, in this episode, he has braces back on again.
Continuity mistake: Rex's kama (the black kilt-like thing he wears) is missing twice: first when he, Anakin and Ahsoka are looking at a hologram of an AT-TE on the Resolute's bridge, and second when Anakin's trap for Grievous is revealed, and Rex orders the AT-TEs on the asteroids to fire. (00:01:12 - 00:04:10)
Triumvirate of Terror! - S3-E8
Continuity mistake: Cheetah slams Superman into what looks like a computer mainframe. He stumbles forward and falls to his knees. The next shot as Cheetah kicks him, he is suddenly standing again and in the middle of the room, away from the mainframe. (00:12:55)
Iron Forged in Fire: Part One - S1-E1
Continuity mistake: When Tony and Rhodey are talking to the guard, trying to get into Stark International, there is a shot showing a woman walking away from them in a black skirt. A couple of shots later, the woman has disappeared and instead a couple is walking towards them holding hands. (00:07:20)
Continuity mistake: When Magneto uses his powers to create a hole in the metal wall, the edges of the wall surrounding the hole are smooth. When the shot changes, the edges suddenly look crumpled. (00:17:16)