The CW has released a synopsis for the fifth episode of DC’s Legends of Tomorrow season 3, entitled ‘Return of the Mack’; read it below…

HELPING ONE OF THEIR OWN — When Nate (Nick Zano) thinks he has found a pattern to the anachronisms, it leads the Legends to London in 1897 to hunt down a time-traveling vampire. When they arrive in London, they run into Rip (guest star Arthur Darvill), but not everyone welcomes him back so quickly, leaving Sara (Caity Lotz) to make a tough choice in the end. Amaya (Maisie Richardson-Sellers) tries to connect with Zari (Tala Ashe), but she is still struggling with being part of the team. Meanwhile, Stein (Victor Garber) discovers what Ray (Brandon Routh) and Jax (Franz Drameh) are up to and is not entirely pleased. Dominic Purcell also stars.

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DC’s Legends of Tomorrow airs on Tuesdays on The CW.