"Viper" is the fifth episode of the first season of Gotham.


Bruce plans to find a way to speak to the board members of Wayne Enterprises to learn their connections to the Arkham District Project. A new drug called "Viper" is hitting the street where the user gains super-strength, but eventually kills them. Maroni plans to rob a casino owned by Falcone, and Cobblepot reveals his past. Gordon learns that "Viper" (which is a prototype of Venom) is being distributed at a charity event held by WellZyn and Wayne Enterprises. Gordon shoots the canister on the roof and former WellZyn employee Stan Potolsky gets exposed, jumping off as he suggests they check out Warehouse 39, where later Gordon and Bullock find nothing. As Mooney makes plans to conspire against Falcone with lover Nikolai, a disguised Liza visits him in the park where she shares her opera music with him.


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