Patricia meets her bloody demise. Jimmy also gets killed by the zombies after rescuing Rick and Carl from the barn.
Rick and Carl narrowly escape the zombies in a barn.
A giant hoard of walkers make their way to Hershel's farm.
Carl, who was aiming his gun at Rick at first, instead fires a shot at zombified Shane, taking him out.
Shane reanimates as a zombie, despite not sustaining any bites or scratches.
Rick Grimes stabs Shane Walsh, killing him.
Daryl shoots Dale while he lies dying from a zombie attack.
Carl Grimes (Chandler Riggs) points a gun at a zombie.
Rick Grimes fights with Shane Walsh.
Lori Grimes gets in a car crash.
Rick shoots Dave in the bar.
Sophia Peletier being shot by Rick Grimes.
Sophia walks out of the barn as a zombie.
Rick discovers his wife is pregnant.
Glenn kisses Maggie.
Andrea shoots Daryl.
Shane shoots Otis.
Otis shoots Carl.
Dr. Edwin Jenner whispers mysteriously to Rick Grimes before the CDC is destroyed.
Shane drinks too much wine and attempts to assault Lori at the CDC.
Jim, dying from a zombie bite, is abandoned by the group.
Andrea's sister Amy is resurrected after dying from a zombie bite.
Daryl and Rick square off against gangmembers Miguel, Jorge, Guillermo and Felipe.
Shane takes down Carol's wife-beating hubby Ed.