DC's Legends of Tomorrow season 8 didn't push through, and the show was canceled after the seventh season's finale. For seven seasons, Legends of Tomorrow, much like its titular team, was DC's plucky little CW show that could. When it premiered, it almost seemed like a catch-all show for characters who had been cut from the other Arrowverse shows due to casts getting too unwieldy — with more cynical critics ever dismissing it as a cheap attempt to snag viewers.
https://screenrant.com/legends-tomorrow-season-8-updates-story-cast-info/