The supersized Alcatraz season finale, encompassing 1×12 ‘Garrett Stillman’ and 1×13 ‘Tommy Madsen,’ airs tonight at 8 p.m.! Will you be tuning in to see double the drama on Fox?

Greg Ellis and David Hoflin guest star on tonight’s season finale episodes. Synopsis:

Doc and Rebecca close in on a man who may be the key to revealing the secrets behind all the returning criminals. Meanwhile, Hauser makes a discovery beneath the halls of Alcatraz that brings him ever closer to the truth. Then, revealing doors are opened and lives hang in the balance as Rebecca will stop at nothing in pursuit of the man who killed her partner in the all-new special two-hour season finale “Garrett Stillman/Tommy Madsen” episode of ALCATRAZ airing Monday, March 26 (8:00-10:00 PM ET/PT) on FOX.

Video preview: