Episode Overview
The effects of a recent incident begin to cause Barnes to go mad; Nygma is over his head in his relationship with Isabella; Carmine Falcone throws an engagement party for Lee and Mario.
Guest Stars
John Doman
Carmine Falcone
Chris Chalk
Lucius Fox
Michael Chiklis
Nathaniel Barnes
Benedict Samuel
Jervis Tetch / Mad Hatter
Chelsea Spack
Isabella
Hadasa Isolino
Female Captive
J.W. Cortes
Alvarez
Alex Corrado
Gabe
James Carpinello
Mario Falcone
William Abadie
Dr. Maxwell Symon
Peter Patrikios
Paulie Pennies