Trivia: When Grace spells "only me" and Sam is holding the block, it has the Goosebumps "G" on it.
Trivia: Look at an image on the TV when Grace is flipping through the channels. One of them shows a semi about to hit a car and you can hear the tires squeal; this is the exact same scene from the episode "Say Cheese And Die" when Greg and his family were about to be hit. Apparently Goosebumps was on at that time.
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.