Supergirl/Flash Crossover – Title and Credits Revealed For Episode 18

The Flash_Supergirl_Crossover

Actor Grant Gustin (The Flash) revealed on Instagram the title and credits for ‘The Flash’ and ‘Supergirl’ crossover episode, titled “Worlds Finest.” 

Story by Greg Berlanti. Teleplay by Andrew Kreisberg & Micheal Grassi. 

Supergirl_S01E18_Title and Credits

‘Supergirl’ airs Mondays at 8 PM ET on CBS. ‘The Flash’ airs Tuesdays at 8 PM ET on The CW.

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