The Flash Season 6 Episode 18
Pay the Piper
When Godspeed returns, Barry turns to Hartley Rathaway for help. However, things get tense quickly after Barry realizes one of the changes from Crisis is that The Flash and Pied Piper are now enemies. Meanwhile, Iris tries to escape the Mirrorverse.
Guest Stars
Kayla Compton
Allegra Garcia
Andy Mientus
Hartley Rathaway / Pied Piper
BD Wong
Godspeed (voice)
Joel Semande
Roderick Smith
Victoria Park
Kamilla Hwang