2.19 "Folsom Prison Blues"

The Brothers Winchester get busted on breaking and entering charges during a routine evidence gathering trip and sent to a haunted prison while awaiting extradition. Dean and Agent Henriksen come face-to-face for the first time. Sam and Dean earn a new ally in the form of Mara, their public defender who starts to probe the inconsistencies between the charges placed on the brothers and what the witnesses say they saw.