Big Brother: After Dark is a spinoff of the American reality series Big Brother, currently airing on the cable channel Pop. Big Brother: After Dark debuted on July 5, 2007 as a companion show since Big Brother 8, airing originally on Showtime 2 in the United States and Slice in Canada. The program was the only first-run original program produced specifically for any of Showtime's seven multiplex channels (the bulk of the network's first-run original programming airs on the main Showtime channel, and is replayed on its various multiplex channels, including Pop).