Crisis on Infinite Earths logo "Things were looking a little grim, but part of me was, admittedly, a little excited for a "reunion" of old friends."

Cisco Ramon[src]

This episode is part of a larger crossover series, Crisis on Infinite Earths.

"In the end, there was only one, a single black infinitude. Then the infinitude found release. And finally, the darkness broke, filling it with life. With the multiverse. Every existence multiplied by possibility. And spread out before space and time in infinite measure. Civilizations rose and fell. And rose again across reality's grasping expanse. Life, a precious gift, persevering in the face of every obstacle Until, finally, the age of heroes was born."
Oliver Queen

"Crisis on Infinite Earths: Part Five" is a special episode of the fifth season of DC's Legends of Tomorrow, and the sixty-eighth and most recent episode overall. It aired on January 14, 2020. The episode is the fifth and final part of the five-part crossover, Crisis on Infinite Earths.


Worlds lived, worlds died. Nothing will ever be the same.[1]



Special appearance by

Special guest star

Guest starring





  • Production for Crisis on Infinite Earths began on September 24, 2019.[2]
    • Production for this particular part began on October 4, 2019.[3]
    • Filming for the crossover had completed by November 8, 2019, with some reshoots and minor filming still needing to be completed.[4]


  • This episode was originally produced as the eighth episode of the fifth season of DC's Legends of Tomorrow but aired prior to the official Season 5 premiere as a special episode.
  • This is the first episode of DC's Legends of Tomorrow to not feature Tala Ashe (Zari Tomaz) after signing on as a series regular.
  • The synopsis has similarity with Roger Hayden's catchphrase in "Elseworlds, Part 3".
  • This part in addition to "Crisis on Infinite Earths: Part Four" both aired on Grant Gustin's thirtieth birthday.
  • The Super Friends cartoon theme plays at the end. Additionally, an open cage has the name Gleek on it. Gleek is known for being the pet monkey of the Wonder Twins, all three of whom debuted in the "Super Friends" toon.
  • Only the Paragons initially having knowledge of the Crisis is a callback to the original comic, where only the key players in stopping the Crisis remembered.
  • Earth-Prime is a reborn Earth-1 fused with Earth-38 and Black Lightning's Earth.
    • This is also another nod to the comic Crisis, where the last five Earths in existence were merged into New Earth.
  • Marv Wolfman, the co-writer of the original Crisis on Infinite Earths comic and co-writer of the previous part of the crossover makes a cameo as a fictional version of himself.
    • Interestingly, Marv Wolfman asked for an autograph from the two most prominent heroes he killed off in Crisis on Infinite Earths, Flash and Supergirl.
  • It would seem as though with the new Earth-Prime, the pre-Flashpoint timeline also merged with the post-Flashpoint timeline, as John Diggle, Jr. and Sara Diggle both exist.



Promotional images



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