ITV4 The Champions Catch up on the ITV Hub They are crime-fighters with superhuman powers - three secret agents who mysteriously gained their powers after a plane crash that should have been fatal. The Champions become foremost agents for the crime-fighting agency, Nemesis. 2 episodes available to watch Share this programme: Copied to clipboard Share on Facebook Share on Twitter Copy link to share Series 1 Latest 30. Autokill Sat Saturday 31 Jul 7.30am Nemesis agents find themselves programmed to kill their own colleagues. 29. The Gun Runners Sat Saturday 31 Jul 6.35am The Nemesis agents are sent to investigate murder and gun-running.