Nickelodeon Co-Stars Who Couldn't Stand Each Other

It can be tough working alongside the same person for years, especially if it's on a kids show and you want to make the transition into more mature roles. Tensions can run high on any show, and Nickelodeon sitcoms are no exception. Although they might have had winning chemistry on screen, it turns out that plenty of Nickelodeon stars have had real-life fights far harsher than any storyline created by the writers. From the stars of "Kenan & Kel" who finally made up after years of not speaking, to the "All That" stars who didn't think their cast mates were all that, here are some Nickelodeon co-stars who couldn't stand each other.