The Legends are trapped in 1925 when someone uses a future Waverider to blow ...
DC's Legends of Tomorrow
Season 7 Episode 11: Rage Against the Machines
The Legends break a fixed point, creating an aberration that will attract the evil Waverider; the Legends learn who has been hunting them; Sara tries to negotiate, which doesn't go as planned; Gwyn hatches a stealth plan.