When Does Eileen Appear in Supernatural?

Eileen Leahy comes into the Supernatural series in Season 11 but she and Sam didn't hit it off right away. Later, they developed a relationship that, like everything in this series, had many ups and downs.

What episode does Sam Meet Eileen?

Fans spotted a connection between Sam and Eileen when they first meet while on a banshee hunt in 11.11 Into the Mystic. In 12.17 The British Invasion, they share a hug. Eileen is killed in 12.21 There's Something About Mary, solidifying her role as a Sam Winchester love interest.

What season does Eileen come in supernatural?

Season 12. Eileen is revealed to have kept in contact with the Winchester brothers and both have gotten better at sign language.