With the prison no longer being safe, Rick is forced to deal with some old wounds.
Rick and Carl return from the woods to find the farm in jeopardy.
The group learns that someone dangerous may be on the loose.
Carl stumbles into danger in the forest.
Rick and Shane come to blows after they drive out to find a town where they can leave Randall.
Rick, Glenn and Hershel are forced to fight new enemies.
Shane and Rick's differences begin to openly grow.
The secret of the walkers in the barn is exposed by Glenn.
Already struggling with knowing about Lori's pregnancy, Glenn is asked to keep quiet about the presence of 'walkers' in the barn.
Hershel vehemently disagrees with the group's safety plan.
Daryl finds evidence that Sophia may still be alive.
The group desperately awaits Shane's return.
After being shot, Carl is in a critical condition.
Rick leads the group out of Atlanta to the safety of a military base.