DC's Legends of Tomorrow

Season 4 Episode 16 - Eps 16: Hey, World!

When heroes are not enough... the world needs legends. Having seen the long run, one he'll desperately attempt to stop from happening, time-traveling fictitious Rip Hunter is tasked with constructing a disparate group of both heroes and villains to confront an unstoppable threat -- one in which not only is the entire world at stake, but most of time itself. Can this ragtag team conquer an inexplicable threat they have ever understood?