Barry and Oliver wake up to find they've swapped bodies, but Team Flash doesn't believe them, so the two heroes travel to Smallville on Earth-38 to get help from Supergirl.
Episode rating
Cast of episode
97
1
1
1
- Barry Allen
- Caitlin Snow
- Iris West-Allen
- Cisco Ramon
- Dr. Harry Wells
- Ralph Dibny
- Joe West
- Orlin Dwyer
- Oliver Queen
- John Diggle
- Superman
- Kara Danvers
- Dr. John Deegan
- The Monitor
- Lois Lane
- Tech Thief #2
- Heckler
- Officer Jones
- Joss Mardon
- Armed Guard
- Batwoman
- Henry Allen
- Circus Runner