In the twelfth episode of Prison Break , season one, the escape crew faces internal threats when they realize there are too many members to successfully break out. T-Bag secures his spot by revealing he has an accomplice, which results in a brutal confrontation where he slashes Abruzzi's throat. Meanwhile, Michael perfects the escape route by flooding a vertical shaft, but the entire plan is put in jeopardy when Lincoln is sent to solitary confinement just before the scheduled escape. You can watch the full episode, " Prison Break: Odd Man Out " on IMDb or visit the Prison Break Wiki for a detailed recap. "Prison Break" Odd Man Out (TV Episode 2005) - IMDb