Elseworlds, Part 1
- Episode aired Dec 9, 2018
- TV-PG
- 42m
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.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.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.