Heartwarming / T.U.F.F. Puppy
- When Dudley tells his mother that he really loves his job at T.U.F.F. and doesn't want to quit, but for her, he'll do anything.
- Followed by another when she decides to let him keep his job, even if she does worry about him because of it, because of how happy it makes him.
- Dudley realizing just how much he needs Kitty in "Iron Mutt".
- "Looks like the Lonely Lizard has finally found a friend!"
- In "Diary of a Mad Cat", Dudley tells Kitty that even though he doesn't know her, he wouldn't have anyone but her as his partner. Kitty's reaction bring heartwarming to that◊.
- It also helps that Dudley was being quite insensitive towards Kitty at the beginning of the episode and he's pretty much apologizing for hurting her feelings earlier on.