Internment (The Walking Dead)

"Internment"
The Walking Dead episode
Hershel prepares to save the lives of the quarantined infected inmates.
Episode no.	Season 4 Episode 5
Directed by	David Boyd
Written by	Channing Powell
Featured music	"Oats in the Water" by Ben Howard
Original air date	November 10, 2013 (2013-11-10)
Guest appearance(s)
Sunkrish Bala as Dr. Caleb Subramanian Brighton Sharbino as Lizzie Samuels David Morrissey as The Governor Sherry Richards as Jeanette Jan Harrelson as Noris Luke Donaldson as Luke Erin Hunter as Crying Mom
Episode chronology
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List of The Walking Dead episodes

"Internment" is the fifth episode of the fourth season and 40th episode overall of the post-apocalyptic horror television series The Walking Dead, which aired on AMC on November 10, 2013. The episode was written by Channing Powell and directed by David Boyd.

Multiple threats pressure the prison inhabitants: the increase of walkers outside the prison gates, and the deteriorating conditions of the people infected by the deadly virus. It marks the return of The Governor (David Morrissey), who has been absent since the season three finale, "Welcome to the Tombs".

Rick Grimes (Andrew Lincoln) returns to the prison and informs Maggie Greene (Lauren Cohan), who had been clearing a large herd of walkers at the fence, about banishing Carol Peletier (Melissa McBride) for killing two of their own. Inside the quarantined A Block, conditions continue to worsen for those infected by the deadly virus. Hershel Greene (Scott Wilson) tends to the patients, with the aid of Sasha (Sonequa Martin-Green) and Glenn Rhee (Steven Yeun). Hershel starts closing everyone's cell doors, following the advice of the dying Dr. Caleb Subramanian (Sunkrish Bala), and kills those who succumb to the virus away from the others' view.