In this episode, the escapees start to make their way back to Chicago, but they soon realize that they are not safe yet. Meanwhile, Agent Mahone gets a surprise visit from his brother.
The prisoners finally make it to the tunnel, but they soon realize that it's not going to be easy to escape. Meanwhile, Agent Mahone's investigation into Michael's past starts to pay off.
"The tattoo. It's more than just a map." episode prison break season 1
The two-part finale, "Go" and "Flight," is the payoff for 20 hours of sustained tension. The escape sequence—crawling through the crumbling pipe, navigating the psych ward, cutting through the football field, and scaling the final fence—is shot with documentary-style grit and horror-film claustrophobia.
"We're not out of here yet."
In this episode, Agent Mahone's backstory is revealed, and we see how he became the ruthless prison guard that he is today. Meanwhile, Michael's plan starts to unravel when one of his fellow inmates betrays him.
"I'm not a prisoner, I'm a engineer."
Prison Break Season 1 was a victim of its own success. The show famously lost its way in Seasons 2–4, moving from prison to prison, country to country, until the conspiracy became a parody of itself. But that decline only highlights how perfect the opening chapter was.