<Tr> <Td_colspan="8"> Ivy uses her poison to control Alfred's mind and escape . Bruce learns the "Whisper Gang" after the key is out to destroy the secret council, a.k.a. the Court of Owls and is therefore not his enemy . Soon after, the Court enforcer kills the Gang leader . When Mario is targeted by assassins, Falcone deduces that the Court is responsible and successfully blackmails them into ceasing their attack, not learning their motives however . Nygma kidnaps and tortures Butch and Tabitha before discovering that they are not responsible for Isabella's death, but not before forcing Tabitha to choose between her right hand and Butch's life, choosing the latter . Nygma allows them to go to the hospital . After investigating the matter, Barbara realizes Cobblepot killed Isabella and plans to use the truth to stage a power grab . Gordon says a romantic goodbye to Lee before her upcoming wedding to Mario . When Mario sees her leaving Gordon's, he bursts into a fit of rage and exhibits symptoms of the Tetch virus . </Td> </Tr> <Tr> <Th> 55 </Th> <Td> 11 </Td> <Td> "Beware the Green - Eyed Monster" </Td> <Td> Danny Cannon </Td> <Td> John Stephens </Td> <Td> November 28, 2016 (2016 - 11 - 28) </Td> <Td> T13. 19911 </Td> <Td> 3.37 </Td> </Tr> <Tr> <Td_colspan="8"> It is revealed that Tetch infected Mario, who vows to make Lee hate Gordon and orchestrates a series of events to make her believe Gordon is trying to sabotage their wedding merely out of jealousy . The plan works and, just before the wedding, she pushes Gordon away . Lucius proves Mario's infection to Bullock, but not before Mario and Lee disappear from the party . Gordon convinces Carmine to reveal the couple's location by promising not to kill Mario, who later attempts to kill an oblivious Lee, but Gordon arrives and guns him down, much to her shock . Barbara tells Nygma about Cobblepot; but Nygma does not believe it until luring Cobblepot into revealing his feelings . Barbara and Nygma plan to kill Cobblepot and usurp his power in the mob . Using information provided by the Whispers, Bruce's party uses the key to open the Court's vault and steal its contents--a crystalline owl statue--but are intercepted by Talon, the Court's enforcer; Selina's mother reveals herself and helps them kill Talon . </Td> </Tr> <Tr> <Th> 56 </Th> <Td> 12 </Td> <Td> "Ghosts" </Td> <Td> Eagle Egilsson </Td> <Td> Danny Cannon </Td> <Td> January 16, 2017 (2017 - 01 - 16) </Td> <Td> T13. 19912 </Td> <Td> 3.69 </Td> </Tr>

What happened at the end of season 3 of gotham