After receiving a distress call from another timeship stranded in space, Rip decides to answer the call in order to use the other ship’s computer to track Savage. The team is suspicious and warns him this could be a trap but he moves forward with his plan. Ultimately, the team was right and they have to battle time pirates. With most of the team captured, it is up to Professor Stein to rescue them all.

Rip takes the team to London in the year 2166, three months before his family is killed. He believes this to be their final opportunity to take out Savage who is, unfortunately, at the height of his power. However, the team discovers two key elements to defeating him – Savage’s daughter and the means to kill Savage once and for all.

After learning the Dominators’ plan for the world, the Legends must work together with The Flash, Supergirl and Green Arrow to kill them once and for all. Meanwhile, Stein figures out, with the help of others, how the team can terminate the Dominators, but is distracted by the aberration he realizes he created in 1987.

The crossover starts on Supergirl S02E08 Medusa (I), The Flash S03E08 Invasion! (II) and Arrow S05E08 Invasion! (III).

Barry and Iris's wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super friends like Citizen Cold, The Ray, Felicity Smoak, Iris West and Alex Danvers to take on their most formidable villains yet. Earth's mightiest heroes - Green Arrow, Supergirl, The Flash and White Canary - lead their teams into battle to save the world.

The crossover starts on Supergirl S03E08 Crisis on Earth-X (I), Arrow S06E08 Crisis on Earth-X (II) and The Flash S04E08 Crisis on Earth-X (III).

After the Legends defeated Mallus and wiped the final anachronism from time, they find themselves in unfamiliar territory with the Time Bureau. All that changes when Constantine informs Sara of a new magical threat that leads the team to Woodstock. Constantine thinks he knows how to defeat the new threat, but will need the help of the team and their special klepto talents to help with his spell. Meanwhile, Nate and Rory go on an adventure leaving Nate facing someone from his past.

“Worlds lived, worlds died. Nothing will ever be the same.”

The crossover starts on Supergirl S05E09 Crisis on Infinite Earths: Part One (I), Batwoman S01E09 Crisis on Infinite Earths: Part Two (II), The Flash S06E09 Crisis on Infinite Earths: Part Three (III) and Arrow S08E08 Crisis on Infinite Earths: Part Four (IV)