This was the night Farrell filmed the show’s shocking finale, which sees his character Oswald Cobb murder beloved mentee Victor Aguilar (Rhenzy Feliz).

"The Penguin" finale finds Colin Farrell's gangster ascending to power in Gotham City and losing "any semblance of decency" he had left, Farrell says.

And yet, there was one kill — one final murder in The Penguin Series Finale, Episode 8 “A Great or Little Thing” — that seemed absolutely beyond the pale. A moment where Oswald Cobb completely shed himself of all vestiges of humanity and truly transformed into a Batman villain.