Conversation so far:
what episode of supergirl is the flash crossover
Duet is the seventeenth episode of the third season of The CW television series The Flash and features a musical crossover with Supergirl.
who wrote the flash episode duet
The Flash episode Duet was written by Aaron Helbing and Todd Helbing from a story by Greg Berlanti and Andrew Kreisberg.
can you tell me who directed the flash episode duet
The Flash episode Duet was directed by Dermott Daniel Downs.
when was the flash episode duet filmed
Filming of the Flash episode duet occurred from February 1 until February 15, 2017

Question: how did the critics receive the epsiode
Self-contained rewrite: how did the critics receive the flash epsiode duet