‘Gotham,’ ‘The Detour’ And More To Watch On TV Tonight!

Gotham — 8 p.m. EST on Fox

Penguin begins to snap over Azreael’s latest antics!

Reign — 8 p.m. EST on The CW

Gideon faces a new issue!

The Detour — 9 p.m. EST on TBS

Robin takes on a shocking wedding task!

Independent Lens — 9 p.m. EST on PBS

William “Dub” Lawrence’s efforts to discover the truth about his son-in-law’s death is detailed!

Castle — 10 p.m. EST on ABC

Castle has to deal with a shocking death!