Legends of the Multi-Univers: A-Team episode 19 - Escape from Sing-Sing

Story: Merle Dixon sends a desperate message to A-Team headquarters asking for reinforcements. A large group of zombies has surrounded the prison in the Walking Dead universe. The trouble these zombies are smart and are using their numbers to their advantage. In response John Yamato takes a detachment of A-Team soldiers in addition to the newest member Fighting Fefnir. The mystery however remains who sent these zombies and how are they so smart?