TV Killjoys Killjoys 6.877/10 by 517 users An action-packed adventure series following a fun-loving, hard living trio of interplanetary bounty hunters (a.k.a. Killjoys) sworn to remain impartial as they chase deadly warrants around the Quad, a system of planets on the brink of revolution. Details Casts Posters Images Title Killjoys Alternative Titles Килджой, 銀河の賞金ハンター, KILLJOYS／銀河の賞金ハンター, Killjoys, Кайфоломы First Air Date 2015-06-19 Last Air Date 2019-09-20 Number of Episodes 50 Number of Seasons 5 Genres Action & Adventure, Sci-Fi & Fantasy, Networks Syfy, Space, Casts Hannah John-Kamen, Aaron Ashmore, Luke Macfarlane, Rob Stewart, Tamsen McDonough Plot Keywords , Dutch Hannah John-Kamen John Jaqobis Aaron Ashmore D'Avin Jaqobis Luke Macfarlane Khlyen Rob Stewart Lucy Tamsen McDonough