Elseworlds - [s5e9]

The Monitor (Mar Novu) provides the Book of Destiny to Dr. John Deegan, who uses it to rewrite reality.

, titled " Elseworlds, Part 1 ," serves as the opening chapter of the 2018 three-night Arrowverse crossover event. Airing on December 9, 2018, it features a reality-bending premise where Barry Allen and Oliver Queen swap bodies and lives, forced to master each other's abilities to save the multiverse. Episode Overview Original Air Date: December 9, 2018 [S5E9] Elseworlds

Barry Allen (The Flash) wakes up as Green Arrow, while Oliver Queen (Green Arrow) wakes up as The Flash. Only the two of them are aware of the switch. The Monitor (Mar Novu) provides the Book of Destiny to Dr