Troy Ruptash

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

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

The death of a young botanist leads the CBI team into the lucrative world of medical marijuana, while Cho’s work with the rapid response team brings him back into contact with his former girlfriend and confidential informant, Summer Edgecombe (returning guest star SAMAIRE ARMSTRONG).

Hathaway is surprised by her findings when animal activists seek medical attention.

Ghosts. As mobster Nicky Augustine targets Winona in order to convince Raylan to turn over Drew Thompson, Boyd and Ava devise a clever ruse to dispose of a corpse that connects them to a murder.

A murdered Russian adoptee leads Walt and the team to a shady underworld. Henry faces trouble in jail, while Cady struggles to find him an adequate lawyer.