You're Lost Little Girl The Winchesters : Season 1 Episode 3

When Mary's next-door neighbor mysteriously goes missing, she and John start digging into the disappearance. During their investigation, John unexpectedly reunites with someone from his past. Carlos and Ada bond as they stakeout a potential lead for the demon's partner. Meanwhile, Latika taps into old folklore passed down from her family in hopes it helps Mary and John.