An Old Story - S3-E6
Continuity mistake: When Tom and Jon have grown older the next morning and are talking to Aunt Dalia, she wears a headband with two straps hanging down over her right shoulder, which keep changing position from in front / behind the shoulder.
Chillogy (1): Squeal Of Fortune - S3-E19
Continuity mistake: Just before Jessica goes and asks the woman with the pram if she'd like some lemonade, we see Nicki put the plastic cups down beside the 'Cash' box. In the next shot of Jessica talking to the woman, the cups are on the other side of the table. They're back in their original place in the next shot.
Chillogy (1): Squeal Of Fortune - S3-E19
Continuity mistake: When Karl presents Jessica with the lemonade sachet, he changes from holding it at the top, to the side, then back and forth again.
Continuity mistake: The size and shape of the stain on Nicholas' shirt after he falls into the spillage, changes.
Continuity mistake: When the security guard enters the room where Brian had hacked the computer, he's out of sight, having hidden in the vent above the room. But he was sitting in the chair just moments before as the guard was opening the door. He couldn't possibly have made it up there in time.
The House Of No Return - S3-E3
Continuity mistake: The moon changes phases during the night that Chris goes into the house. First it's a full moon, then it's a waxing crescent.
Chillogy (1): Squeal Of Fortune - S3-E19
Continuity mistake: After the lady who buys three cups of lemonade pays Jessica, she closes her purse twice.
Continuity mistake: The small twig in Fergie's hair disappears and reappears randomly, after her and Cooper are pushed into the cave in the ground.
Answer: He repeatedly warns him against using the universal remote for bad purposes. However, Seth, blinded by remote's abilities, completely ignores and disregards Tony's warnings and uses the remote when and how he pleases, which eventually turns against him.