Watch Prison Break S04e21 1 Apr 2026

Michael manages to orchestrate a rescue for Sara, appearing just in time to stop T-Bag from assaulting her. Meanwhile, Mahone—appearing to betray Michael—strikes a deal with Christina to bring her Scylla in exchange for his wife's safety, though this is part of a deeper ruse involving a bomb.

Christina Rose Scofield (Michael’s mother) holds Lincoln hostage, while the General (Jonathan Krantz) holds Sara. Michael must decide who to trade the real Scylla for, leading to a complex multi-front game of leverage. Watch Prison Break S04E21 1

Availability varies significantly by region, so check your local catalog. Michael manages to orchestrate a rescue for Sara,

C-Note and Sucre reunite in Chicago. C-Note reveals he is working with a mysterious benefactor (later revealed to be Paul Kellerman) who claims he can help the brothers gain total immunity if they can provide Scylla. Michael must decide who to trade the real

In Season 4, Episode 21 of , titled "Rate of Exchange," the high-stakes battle for Scylla reaches a fever pitch as Michael Scofield is forced to make an impossible choice between saving his brother, Lincoln, or the woman he loves, Sara Tancredi. Key Plot Developments

The episode is available for individual purchase or as part of Season 4 on platforms like Amazon Prime Video, Apple TV, and Google Play. "Prison Break" Rate of Exchange (TV Episode 2009) - IMDb

In many international markets (via the Star hub), Prison Break is part of the standard library.