Dylan's punishment for putting his sister in her bikini is he has to touch her legs.
Dylan: This is me Dylan. I'm going to put my sister in her bikini.
Cathy: Hi Dylan.
Dylan: Hi Cathy.
Cathy: What are you doing?
Dylan: I'm putting you in your bikini.
Dylan: Yes! I put Cathy in her bikini! Yes! I put Cathy in her bikini!
Cathy: Oh oh oh oh oh oh oh oh oh oh oh oh oh! Dylan McCarthy, I can't believe you put me in my bikini! That's it! You are grounded for six weeks!
(Cathy beats up Dylan and it is censored)
Cathy: Now you will start touching my legs and you will not stop until you're ungrounded!
Cathy: Waaaaaaaaaaaaaaaaaaaaaaaaaaaa! Shut up Dylan!