"When the Dead Come Knocking" is the seventh episode of the third season and 26th episode overall of the post-apocalyptic horror television series The Walking Dead. It was directed by Dan Sackheim and written by Frank Renzulli, and originally aired on AMC in the United States on November 25, 2012.

At the prison, Rick (Andrew Lincoln) and Carl (Chandler Riggs) observe Michonne (Danai Gurira), who remains at the prison fence with infant formula and other supplies collected by Glenn and Maggie, the walker guts she is covered in keeping her undetected by the walkers that roam outside the prison. As they debate, they notice the walkers starting to turn towards Michonne, and due to being shot in the leg earlier by Merle, she stumbles as she tries to defend herself. Rick and Carl quickly stop the walkers and bring her inside, locking her in a cell near their cell block and taking away her katana. Michonne refuses to talk when they ask her questions. When they see the supplies that she had brought, they know she is aware there was a newborn at the prison, and both Rick and Daryl (Norman Reedus) threaten her. She explains, she had overheard Maggie and Glenn before they were taken to Woodbury by the man who shot her, though she does not reveal either Merle's or Andrea's names while describing the town. Rick determines that they need to rescue Glenn and Maggie, and Michonne offers that she can help get them into the town. Rick asks for volunteers, and while many offer, Rick decides to limit the group to himself, Daryl, Michonne, and Oscar (Vincent Ward). As they arm themselves from the prison's supply, and prepare to leave, Rick thanks Daryl for taking charge of the group while he struggled with the loss of his wife Lori, and agrees with Carl's name for the newborn, Judith, borrowed from one of his teachers.

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