Troy Ruptash

Problems plague President Bartlet as he prepares to address thousands of school children, including a fire in a Russian nuclear missile silo, and lost communication with a Mars spacecraft.

Lisbon and Jane investigate the murder of a botanist who was working on a new strain of marijuana.

Gabrielle tries to keep Grace in her life; Renee shares a dark secret with Susan; Paul's plan is revealed.

As mobster Nicky Augustine (guest star Mike O’Malley) targets Winona (Natalie Zea) in order to convince Raylan (Timothy Olyphant) to turn over Drew Thompson, Boyd (Walton Goggins) and Ava (Joelle Carter) devise a clever ruse to dispose of a corpse that connects them to a murder.

Michael seeks revenge against Whistler and Gretchen and uncovers unbelievable news; Lincoln and Michael are reunited with the gang and get an offer from a Homeland Security agent; Mahone experiences a devastating loss; T-Bag is deserted.

Michael, Lincoln and Sucre have to crash a police benefit to get the next card key; Sarah falls back into an old habit; on his first day of his new job, T-Bag runs into some old friends and arouses suspicion.