THE END -- After 15 seasons, the longest running sci fi series in the US is coming to an end. Baby, it's the final ride for saving people and hunting things. The episode was directed by Robert Singer and written by Andrew Dabb.

THE END -- After 15 seasons, the longest running sci fi series in the US is coming to an end. Baby, it's the final ride for saving people and hunting things. The episode was directed by Robert Singer and written by Andrew Dabb.

Adam notes that they never get the things they deserve and shoots a look at Cas on Supernatural Season 15 Episode 8, "Our Father Who Aren't in Heaven."

Castiel tells Dean it's time for him to move on, and Dean lets him leave on Supernatural Season 15 Episode 3, "The Rupture."

THE END -- After 15 seasons, the longest running sci fi series in the US is coming to an end. Baby, it's the final ride for saving people and hunting things. The episode was directed by Robert Singer and written by Andrew Dabb.

THE END -- After 15 seasons, the longest running sci fi series in the US is coming to an end. Baby, it's the final ride for saving people and hunting things. The episode was directed by Robert Singer and written by Andrew Dabb.

THE END -- After 15 seasons, the longest running sci fi series in the US is coming to an end. Baby, it's the final ride for saving people and hunting things. The episode was directed by Robert Singer and written by Andrew Dabb.

THE END -- After 15 seasons, the longest running sci fi series in the US is coming to an end. Baby, it's the final ride for saving people and hunting things. The episode was directed by Robert Singer and written by Andrew Dabb.

THE END -- After 15 seasons, the longest running sci fi series in the US is coming to an end. Baby, it's the final ride for saving people and hunting things. The episode was directed by Robert Singer and written by Andrew Dabb.

THE END -- After 15 seasons, the longest running sci fi series in the US is coming to an end. Baby, it's the final ride for saving people and hunting things. The episode was directed by Robert Singer and written by Andrew Dabb.

THE END -- After 15 seasons, the longest running sci fi series in the US is coming to an end. Baby, it's the final ride for saving people and hunting things. The episode was directed by Robert Singer and written by Andrew Dabb.

THE END -- After 15 seasons, the longest running sci fi series in the US is coming to an end. Baby, it's the final ride for saving people and hunting things. The episode was directed by Robert Singer and written by Andrew Dabb.