The epic three-part superhero crossover ends with The CW’s Supergirl season four episode nine airing on December 11, 2018 at 8pm ET/PT. “Elseworlds, Part 3” was directed by Jesse Warn from a script by Marc Guggenheim, teleplay by Derek Simon and Robert Rovner.
This season’s crossover event begins with The Flash on Sunday, December 9th. The Arrow portion, “Elseworlds, Part 2,” follows on Monday, December 10th at 8pm ET/PT.
The season four cast includes Melissa Benoist as Kara Danvers/Supergirl, Chyler Leigh as Alex Danvers, David Harewood as J’onn J’onzz, Jesse Rath as Brainy, Mehcad Brooks as James Olsen, Katie McGrath as Lena Luthor, Nicole Maines as Nia Nal/Dreamer, April Parker as Colonel Haley, and Sam Witwer as Agent Liberty.
The “Elseworlds, Part 3” Plot: THE BATTLE CONCLUDES — Supergirl (Benoist), The Flash (guest star Grant Gustin), Green Arrow (guest star Stephen Amell) and Superman (guest star Tyler Hoechlin) engage in the battle of their lives.
The “Elseworlds, Part 2” Plot: THE ELSEWORLDS CROSSOVER CONTINUES IN GOTHAM CITY WITH BATWOMAN (RUBY ROSE) — With Oliver (Stephen Amell) and Barry (guest star Grant Gustin) still stuck in the other’s bodies, the two get a lead on John Deegan (guest star Jeremy Davies) and head to Gotham City with Supergirl (guest star Melissa Benoist) to figure out why their reality has changed. While there, they meet the mysterious Kate Kane (guest star Ruby Rose) who provides them with information that leads the group to Arkham Asylum.
The “Elseworlds, Part 1” Plot: EPIC ELSEWORLDS CROSSOVER KICKS OFF TONIGHT — When Barry Allen (Gustin) and Oliver Queen (guest star Stephen Amell) wake up one morning and realize they have swapped bodies with each other, the two set off to find out what disturbed the timeline to cause such a shift. However, things quickly go from bad to worse when they present their case to Team Flash and the gang doesn’t believe them.
Barry and Oliver realize they need Supergirl’s (guest star Melissa Benoist) help and travel to Smallville on Earth-38 where they end up meeting Kara’s cousin, Clark Kent (guest star Tyler Hoechlin), and intrepid reporter, Lois Lane (guest star Elizabeth Tulloch). LaMonica Garrett guest stars as The Monitor.
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