Continuity mistake: When Kim and Shego stop chasing Ron back in Drakken's lab Shego is wearing a purple apron, then the camera moves away Shego and Kim then comes back and Shego is not wearing a purple apron, then the camera moves away again and then comes back to her and now she is wearing the apron.
Sasuke and Sakura: Friends or Foes? - S1-E3
Continuity mistake: During the scene where Naruto and Sasuke accidentally kiss, Naruto's whiskers are gone.
Going Under - S5-E2
Continuity mistake: After Calleigh's Hummer is hit from the rear, it is shown going into the water with no visible damage to the front of the vehicle. After the first commercial break it is being pulled from the water with a dented and buckled hood.
Forever Red - S1-E34
Continuity mistake: Serpentera is different from the Serpentera shown in Series 2, 3, and 4.