The correct title of the episode is but it actually corresponds to Season 5, Episode 11 of The Walking Dead (not Season 2, Episode 1).
Here is the story of that pivotal episode, broken down by its major developments: 🚶♂️ The Arrival of Aaron [S2E1] The Distance
When Aaron is brought before Rick Grimes, Rick immediately punches him in the face. Having survived the horrors of Woodbury and Terminus, Rick no longer trusts anyone and is terrified of walking his family into another lethal trap. Rick goes so far as to force Aaron to eat applesauce from his own bag to prove it is not poisoned. ⚔️ Michonne Steps Up The correct title of the episode is but