Duet

The Flash and Supergirl are reunited when Supergirl is hypnotized into a coma by Music Meister, and Mon-El and J'onn J'onzz / Martian Manhunter bring her to Earth-1 in hope that Team Flash can save her.

Grant Gustin

Barry Allen / The Flash

Melissa Benoist

Kara Danvers / Supergirl