Secrets of a Successful Marriage - S5-E22
Continuity mistake: When Homer gets thrown out of the house by Marge and Otto walks up to him, you can see that it is Smithers and Carl standing behind Homer. Yet in the next shot when you see Homer's face, it is now Principal Skinner and Carl standing there.
Secrets of a Successful Marriage - S5-E22
Continuity mistake: When Marge is shopping at the Kwik-E-Mart she puts a red can and a blue can on the counter.When Apu tells her about the offer on hair dye he puts two blue cans into the paper bag.
Secrets of a Successful Marriage - S5-E22
Continuity mistake: When Homer comes into the kitchen he is holding a pipe in his left hand. But in the next shot you see him holding up the ruined jacket with his left hand, then in the next shot his hand is back in his pocket.
Secrets of a Successful Marriage - S5-E22
Continuity mistake: When Homer wipes the tobacco on his forehead in his new class, the tobacco just disappears on his hand/sleeve.
Secrets of a Successful Marriage - S5-E22
Continuity mistake: Marge puts down 2 glasses of juice and a baby bottle on the table when she is telling the kids about the marriage problems. but when she walks away in the next shot, the glasses and bottle are gone.
Secrets of a Successful Marriage - S5-E22
Continuity mistake: When Homer sees Marge and Moe near the end, the coffee table changes size between shots. It's large when Moe sits on the couch.It's smaller when there's a shot of Homer and long again when the high shot shows Homer walking out (when his rags are stuck on it)