5Spike was a British free-to-air television channel owned by ViacomCBS Networks UK & Australia. Launching on 15 April 2015 on Freeview as just Spike, it was a localised version of the American cable channel Spike (now Paramount Network), and became a multiplex channel of Channel 5 in 2017 when it renamed as 5Spike. It primarily aired entertainment programmes, including action and drama series, police documentaries, and programming from its U.S. counterpart, as well as mixed martial arts.