The CW’s The Flash temporarily moves to Sunday night on December 9, 2018 to kick off this season’s massive crossover event with the series’ ninth episode of season five. The Flash begins the three-night crossover with an episode titled “Elseworlds, Part 1” directed by Kevin Tancharoen from a script by Eric Wallace and Sam Chalsen.
“Elseworlds, Part 2” is also Arrow‘s season seven episode nine airing on Monday, December 10th at 8pm ET/PT. The Arrow portion of the “Elseworlds” crossover features the introduction of Ruby Rose as Batwoman. Legends of Tomorrow skips involvement in the crossover which will conclude with Supergirl‘s season four episode nine airing on December 11th at 8pm ET/PT.
The Flash season five cast includes Grant Gustin as Barry Allen/The Flash, Tom Cavanagh as Harrison Wells, Danielle Panabaker as Caitlin Snow, Carlos Valdes as Cisco, Candice Patton as Iris West, and Jesse L Martin as Joe West. The cast also includes Hartley Sawyer as Ralph Dibny, Jessica Parker Kennedy as Nora West-Allen, and Danielle Nicolet as Cecile Horton.
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.