Here’s the schedule for .
When Barry Allen (Grant 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.
Monday, Dec. 10th @8pm: Arrow Season 7, Episode 9: Elseworlds, Part 2
This is the episode that introduces Batwoman and Gotham City. It should also answer some burning questions fans have about where Batman is in the Arrowverse.
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.
Tuesday, Dec. 11th @8pm: Supergirl Season 4, Episode 9: Elseworlds, Part 3
Supergirl closes out Elseworlds and is expected to feature a battle against the evil Black Suit Superman. The final chapter could also contain some huge surprises that will affect the Arrowverse going forward.
Supergirl (Melissa 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.