Kenan Thompson addresses concerns raised by former Nickelodeon colleagues, such as Drake Bell, who have come forward with accounts of abuse and mistreatment during their time on the network's shows.

Here are eight of the top celebrity reactions to impersonations of themselves.

'Saturday Night Live' spoofed 'Black Panther' with a deleted 'scene that sees T'Challa meeting a new relative in Djalia. The comedy sketch also brings back Sterling K. Brown who plays N'Jobu in the movie.

Stars of Nickelodeon's sketch comedy show 'All That' were brought together in a major way Sunday. They taped an episode of 'Wild N Out' together.