Castiel makes an entrance.
Are you there God, it´s me Dean WinchesterCastiel threatens Dean.
In the BeginningCastiel zaps Dean back to the past.
It´s the great Pumpkin, Sam WinchesterCastiel meets Sam.
On the Head of a PinCastiel saves Dean and fights Uriel.
Lucifer risingCastiel rebels against Heaven.
Castiel is back and kills other Angels.
Free to be you and meCastiel pretends to be a FBI agent. Dean brings him to a brothel. He drinks alcohol. He confronts Raphael.
The EndCastiel is not an Angel anymore. He takes drugs and is into orgies with women.
I believe the children are our futureThe Anti-Christ turns Castiel into an action figure.
Abandon All HopeCastiel drinks a lot of alcohol. He meets Lucifer and the demon Meg. He throws her into the fire and walks over her.
Bloody ValentineCastiel and Cupid.
Castiel´s hunger for burgers.
Castiel is drunk.
Point of no ReturnCastiel fights five Angels. He carves sigils into his chest and banishes four of them, including himself.
2 Minutes to MidnightCastiel cuts Pestilence´s finger off and kills a demon.
Swan SongLucifer kills Castiel but God brings him back.
Castiel tortures a boy. He is reunited with Balthazar an Angel friend. Raphael almost kills him but Balthazar saves him.
Family MattersCastiel lies about Sam´s resurrection.
Caged HeatCastiel watches porn. Meg kisses Castiel and he kisses her back. Castiel kills Crowley.
Like a VirginCastiel tries to hug Sam.
The French MistakeCastiel becomes much more powerful.
FrontierlandCastiel kills his Lieutenant after she figures out his secret.
The Man who would be KingCastiel fights, lies, threatens, kills for his agenda. Dean and Sam capture and confront him. Crowley rescues him.
The Man who knew too muchCastiel breaks Sam´s wall and kills Balthazar. After sucking up the souls he is all powerful, kills Raphael and orders Dean and Sam to bow down to him, the new Lord.
Castiel/God spares Dean and Sam.
Castiel/God smites a hypocritical preacher.
Castiel/God makes a deal with Crowley.
Castiel/God meets Death.
Castiel´s body is overtaken by Leviathan, who tells them that Castiel is not there anymore. He says the angel is dead.
Hello, Cruel WorldCastiel's vessel wades into the reservoir and instantly dissolves, creating a vortex that then erupts outwards and spreads a black ooze throughout the water.
Dean finds Castiel's Trench Coat floating in the water, but nothing else is seen of the angel's vessel.