As Barry and Iris struggle to deal with an enormous loss, everyone on Team Flash must brace for the possibility of a Crisis on Infinite Earths.

1. Into The Void 42m Still grieving, Barry distracts himself with a black hole problem while Iris searches for an eccentric scientist who may have some answers.

2. A Flash of The Lightning 42m At Iris's urging, Barry travels into the future for a second opinion about his fate. Meanwhile, the rest of Team Flash sets out to help a meta.

3. Dead Man Running 42m As Barry secretly prepares for a seemingly unavoidable fate, he and Team Flash track a metahuman who's collecting dark matter by any means necessary.

4. There Will Be Blood 42m As the Crisis draws closer, Barry tries to prepare Cisco for the inevitable. Also, Ramsey Rosso searches for a more permanent cure to his illness.

5. Kiss Kiss Breach Breach 42m Cisco puts his leadership skills to the test while Barry and Iris take a mini-vacation. Meanwhile, Killer Frost sets out to track down Ramsey Rosso.

6. License To Elongate 42m Barry tags along with Ralph in hopes of teaching him to be heroic in a post-Flash world. Nash asks Allegra for help with a life-or-death project.

7. The Last Temptation of Barry Allen: Part 1 42m Barry is tested as never before when Ramsey Rosso infects him with a malicious virus. Iris investigates a sinister plot.

8. The Last Temptation of Barry Allen: Part 2 42m As Iris and Cisco fight to save Barry from Ramsey’s evil influence, the rest of Team Flash battles Bloodwork’s army throughout Central City.

9. Crisis on Infinite Earths: Hour Three 42m Joined by Supergirl, Black Lightning and others, Barry and Team Flash search for a way to stop the antimatter wave from destroying the multiverse.

10. Marathon 42m Following a hot tip, Iris investigates a nefarious organization. Meanwhile, Barry sets out to uncover the mystery behind a mask.

11. Love is a Battlefield 42m Barry and Iris's Valentine's Day dinner is rudely interrupted by a pesky nemesis. Also, Allegra gets some unsolicited assistance from Frost.

12. A Girl Named Sue 42m Months after his search went cold, Ralph finally gets a lead on Sue Dearbon. Meanwhile, Iris plays with mirrors and Barry re-opens a closed case.

13. Grodd Friended Me 42m Frustrated and overwhelmed by all the lingering changes from the Crisis, Barry undertakes an experiment with surprising consequences.

14. Death of the Speed Force 42m Kid Flash delivers a dire warning about the Speed Force to Barry. Also, Cisco returns to help take on a dangerous meta.

15. The Exorcism of Nash Wells 42m Eva enlists the duplicate versions of Iris and Kamilla for a mission. Plus, Team Flash examines Nash while Barry faces a dangerous new foe.

16. So Long and Goodnight 42m Despite being in serious danger, Joe refuses to take caution. Barry struggles to conserve his speed. Iris shares a secret with Eva.

17. Liberation 42m Increasingly worried about his wife's shifting personality, Barry searches for an explanation. Also, Eva prepares to step into a new world.

18. Pay the Piper 41m The return of Godspeed inspires Barry to ask Hartley Rathaway for help, as tension and doubt threaten to tear Team Flash apart.