Infected

"Infected" is the second episode of the fourth season of AMC's The Walking Dead. It is the thirty-seventh episode of the series overall. It premiered on October 20, 2013. It was written by Angela Kang and directed by Guy Ferland.

Plot
As the group faces a brand new enemy, Rick and the others must fight to protect the livelihood they worked so hard to create at the prison.

Co-Stars
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 * Kennedy Brice as Molly
 * Brandon Carroll as David
 * Luke Donaldson as Luke
 * Victor McCay as Ryan Samuels

Uncredited

 * Tinsley and Anniston Price as Judith Grimes
 * Randy Woods as Mr. Jacobson
 * Sherry Richards as Jeanette
 * James Keats as Henry
 * Greg Crews as Greg
 * Jilian McLendon as Chloe
 * Owen Ridings as Owen
 * Rob Fitts as Mr. Richards
 * Leola Williams as Mrs. Richards
 * Jan Harrelson as Noris
 * Corey Reitz as "Noris' Son"
 * Royce Beggs as Charlie
 * Chase as Flame
 * Erin Hunter as "Crying Mother"
 * Will Martin as "Sick Teenager"
 * Denny Ainsworth as "Woodbury Resident"
 * Bill Vella as "Woodbury Resident"
 * Abigail Jackson as "Woodbury Resident"
 * Leola Williams as "Woodbury Resident"
 * Deanna Dixon as "Woodbury Resident"
 * Sophia Kidder as "Anna Marie Rivers"
 * Gerald Duckworth as "Woodbury Refugee"
 * Hannah Moore as "Prison Resident"
 * Harley Shellhammer as "Prison Resident"
 * Adrienne Renee as "Prison Resident"
 * Cory Robertson as "Prison Resident"
 * Amber Hoisington as "Prison Resident"
 * Andrew Crigler as "Prison Resident"
 * Sue Burnett as "Prison Resident"
 * Frederick Carpenter, Ellie Decker, Michael Jaegers & Pj McDonnell as Walkers
 * John Jaret, Jasi Lanier, Joel Studer & Lauren Henneberg as Walkers
 * David Pierce as Nick
 * }
 * }

Deaths

 * Greg (Alive and Zombified)
 * Mr. Richards (Off-Screen)
 * Chloe
 * Patrick (Zombified)
 * Owen
 * Charlie (Zombified)
 * Ryan Samuels
 * Nick (Zombified)
 * Piglets
 * Karen
 * David
 * 4 unnamed prison survivors

Trivia

 * First appearance of Jeanette.
 * First appearance of Noris.
 * First (and last) appearance of Charlie. (Zombified)
 * Last appearance of Karen. (Alive)
 * Last appearance of David. (Alive)
 * Last appearance of Ryan Samuels.
 * Last appearance of Greg.
 * Last appearance of Mr. Richards.
 * Last appearance of Chloe.
 * Last appearance of Owen.
 * Last appearance of Patrick. (Zombified)
 * Last appearance of Nick. (Corpse)
 * The title of the episode, "Infected", refers to the prison residents being infected with the unknown flu.
 * It is revealed in "The Grove" that Lizzie was the unknown person feeding the walkers at the start of the episode.
 * The song Tyreese sings to Karen is Frank Sinatra's "I've Got You Under My Skin".
 * The song Beth sings to Judith is Tom Waits' "I Don't Wanna Grow Up".
 * Michonne asks Carl why he doesn't wear his hat. Carl responds because it's not a farming hat. In "A", there is a flashback that has Rick taking the hat after it falls off of Carl's head and he states that he needs a farming hat.
 * In "Honor", when a dying Carl gives the hat to Judith, he informs her that the hat made him feel safe. The fact that he's not wearing the hat meant that he felt safe.

Comic Parallels

 * Rick's role as the group leader being replaced by a committee is adapted from Issue 24.
 * Carol granting Ryan's final request of looking after his daughters is adapted from a similar scene in Issue 21, where Andrea grants Allen's final request of looking after his sons instead.
 * Tyreese discovering Karen and David's burned corpses is adapted from a similar scene in Issue 15, where Hershel finds his daughters' decapitated corpses instead.