The Flash: Watch Season 1 Episode 21 Online

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On The Flash Season 1 Episode 21 The team finds out exactly what a Grodd is and it's scary stuff people!

Gorilla Grodd has been living in the sewers getting bigger and more intelligent while few people have known about him. Thankfully, Iris West has been keeping an sys on all thing odd in Central City and she just learned about the Flash.

In her first case acting beside the team, Iris works with them to hunt down the telepathic gorilla and to remind Barry that he can do anything...because he loves her.

Find out how it all plays out when you watch The Flash online via TV Fanatic. Click below to get started.

Carissa Pavlica is the managing editor and a staff writer for TV Fanatic. Follow her on Twitter.

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The Flash Season 1 Episode 21 Quotes

Eddie: I don't suppose you brought lunch.
Harrison: Do you know human beings can survive up to two months without food?
Eddie: Is that how long you plan on keeping me here?

Barry: I can only imagine how angry you are.
Iris: I'm not angry, Barry. I'm just disappointed.