4. Season

Castiel makes an entrance.

Castiel threatens Dean.

Castiel zaps Dean back to the past.

Castiel meets Sam.

Castiel saves Dean and fights Uriel.

Castiel rebels against heaven.

5. Season

Castiel is back and kills other Angels.

Castiel pretends to be a FBI agent. Dean brings him to a brothel. He drinks alcohol. He confronts Raphael.

Castiel is not an Angel anymore. He takes drugs and is into orgies with women.

The Anti-Christ turns Castiel into an action figure.

Castiel drinks a lot of alcohol. He meets Lucifer and the demon Meg. He throws her into the fire and walks over her.

Castiel and Cupid.

Castiel´s hunger for burgers.

Castiel is drunk.

Castiel fights five Angels. He carves sigils into his chest and banishes four of them, including himself.

Castiel cuts Pestilence´s finger off and kills a demon.

Lucifer kills Castiel but God brings him back.

6. Season

Castiel tortures a boy. He is reunited with Balthazar an Angel friend. Raphael almost kills him but Balthazar saves him.

Castiel lies about Sam´s resurrection.

Castiel watches porn. Meg kisses Castiel and he kisses her back. Castiel kills Crowley.

Castiel tries to hug Sam.

Castiel becomes much more powerful.

Castiel kills his Lieutenant after she figures out his secret.

Castiel fights, lies, threatens, kills for his agenda. Dean and Sam capture and confront him. Crowley rescues him.

Castiel 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.

7. Season

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 a Leviathan, who tells them that Castiel is not there anymore. He says the angel is dead.

Castiel'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.

Castiel is back but has lost his memory and calls himself Emmanuel.

Castiel remembers everything he had done.

Dean gives Castiel his bloodstained trench coat back.

Castiel asks Dean to pull his finger.

Castiel and Dean play the boardgame "Sorry".

Called, Castiel shows up on Dean´s car, naked, and covered in bees.

Crowley figures that Castiel is off his rocker.

Castiel is serving food and drying dishes.

Castiel is playing twister

Castiel and Dean have a talk and Castiel detects a note of forgiveness from Dean.

8. Season

Dean hugs Castiel. Castiel doesn´t hug him back.

Castiel is on the ground reaching out. Dean loses his grip on Castiel.

The vampire Benny saves Castiel from the Leviathan.

Castiel cleans himself in two minutes.

Castiel confronts Crowley and puts him to flight.

Castiel smiles.

Castiel is playing bad cop.

Castiel interogates a cat.

Castiel is free to do whatever he wants to do.

Castiel catches Dean having porn on his notebook.

Castiel kills Samandiriel.

Castiel bleeds a tear.

Ordered by Naomi Castiel has to kill thousand copies of Dean to train for the time when he has to kill Dean for real.

Castiel has a very intimate conversation with the demon Meg.

Castiel almost kills Dean.

Castiel rebels against Naomi and heaven.

Castiel tricks the angels chasing him for some time.

Castiel is shot in the stomach by Crowley with a bullet made of an melted angel sword.

Crowley plunges his hand into Castiel´s stomach and pulls out the angel tablet.

Castiel digs out the angel bullet from the wound on his stomach and pushes it into Ion´s eye. The angel erupts with white light, dying.

Castiel tries to get Dean´s forgiveness and fails. Afterwards he buys Dean´s favorite stuff to placate him and makes a mess at the shop.

Castiel kills a Nephilim.

Metatron extracts Castiel's Grace and sends him back to Earth - to live as a human.

9. Season

Castiel walks the Earth being human. He gets injured pretty fast.

Castiel threatens to hurt a Rocker without having any supernatural power.

Castiel outsmarts the angel Hael who wants to possess him and rat him out. He kills her.

Castiel visits a laundry mat to clean his bloodstained trench coat and clothes. He strips down to his white boxers, then abandons his clothes, steals new ones, and buys water.

Castiel drinks a bottle of water.

Castiel lives in a shelter and chews toothpaste.

Castiel sleeps with April Kelly who turns out to be a reaper send by the angels.

Castiel dies and is brought back by Ezekiel.

Castiel tells Dean and Sam that he lost his virginity.

Dean exiles Castiel from the bunker to protect Sam.

Castiel works as a Sales Associate at a Gas-N-Sip.

He thinks his boss Nora asks him out on a date but she only needs him to babysit her daughter.

Castiel sings a lullaby "Believe It or Not" to the baby.

Castiel kills the angel Ephraim.

Desperate, Castiel prays to God for help.

Castiel slices the Angel Theo in the throat, letting his white grace slip out; then he opens his mouth and swallows it. The grace fills him up; his eyes turn blue; he is back to being an Angel.

Castiel drives a golden Cadillac because his wings are still broken and he cannot teleport.

Castiel and Crowley quarrel like little boys.

Castiel slaps Dean´s hand off of his shoulder. Oops!

Sam and Castiel hug.

Castiel kills the dreaded angel Bartholomew. Isn´t he the most badass angel killer ever?

Castiel smiles about a joke Dean made.

Castiel laughs with Gabriel.

Castiel learns about pop culture.

Castiel understands a Death Star reference - almost.

Castiel decides to lead the rebels.

The Angel rebels call Castiel "The Commander".

Castiel impresses Sam and Dean with his recently gained pop-culture knowledge.

Sam is unable to open a locked door.
Castiel: "Step aside. I got this."
He tries to break the door down. He joggles at the doorknob. The door remains locked.
Castiel: "I don´t got this." cut to a Jesus Christ Superstar poster LOL!

Tessa: "There is no God. There´s only Castiel."
Dean: "Oh, and you´re done."

The Angel rebels ask Castiel to punish Dean to prove he spoke the truth. Castiel can´t. His followers leave him.

Castiel tries to explain a Star Wars reference to Gadreel.

Castiel fools Metatron.

10. Season

The angel Hannah feels nauseous due to Castiel´s slow driving of the Cadillac.

Human things had become pretty normal to Castiel.

Castiel is seriously sick. He sleeps most of the time. He cannot heal himself anymore. He can barely stand up straight.

A little girl makes Castiel smile brightly.

Hannah wants to make a deal with Metatron to get the last of Castiel´s grace. Castiel interferes and talks her out of it. Metatron taunts Castiel that he will get out some day. Castiel walks away.

Castiel thinks Hannah has feelings for him. He tries to let her down gently. She declares there are no feelings whatsoever. Well, he´s damaged, Hannah. A demon loved him. A demon!

Crowley steals an angel´s grace and feeds it to Castiel. Crowley saves Castiel because he needs him alive.

Hannah undresses in front of Castiel because she wants to take a shower. He behaves very awkward.

Hannah kisses Castiel to make a point to the husband of her vessel Caroline. Castiel is stunned, but doesn´t return the kiss.

Castiel talks about his vessel Jimmy Novak. He looks him up on the net.

Castiel and the atheist mind-reader.

Castiel hits Metatron - twice.

Castiel gets his grace back.

Castiel meets Charlie. Hilarious!

Charlie shows Castiel the game potsy.

Castiel gives Claire a stuffed grumpy cat for a present. She conceals that she keeps it as well as an angel sword. Does she really believe Castiel doesn´t know?

Castiel makes an awkward speech to say good-bye. Claire hugs him.

Castiel calls Sam but gets Dean. Awkwardness.

Castiel fights Dean. The angel doesn´t want to hurt him. Dean beats him up and almost stabs him with an angel sword. Dean leaves a bloodied Castiel lying on the ground behind.

Crowley makes Castiel beg for his help.

11. Season

Castiel asks his brother to kill him.

Hannah tells Castiel the other angels hate him.

Oh dear. Castiel kills two more of his brothers. Hannah dies, too.

The Winchesters chain Castiel to the floor.

Castiel is offended that Sam thinks his car is crappy.

By accident Castiel finds Dean´s Asian porn.

Castiel is trash for Real Life TV

Castiel allows Lucifer to use his vessel to beat the Darkness.

Castiel/Lucifer snaps his fingers.

Castiel/Lucifer has fun with his doggie Crowley.

Castiel/Lucifer soaking wet just for show to make Sam believe the lie.

Castiel/Lucifer finds it hilarious that Sam offers him to touch his soul.

Castiel/Lucifer shows up in heaven and gives the angels a hell of a time.

Lucifer mocks Dean´s begging for Castiel to break free of Lucifer.

Castiel/Lucifer tries to kill Sam and Dean by snapping his fingers - but God doesn´t allow it.

Castiel/Lucifer apologizes to Rowena.

Castiel/Lucifer mocks Dean about his concern for Castiel.

12. Season

Castiel is Agent Beyoncé.

Insulted by Dean Castiel fires back by calling him a lumberjack.

Castiel picks a pair of pink panties up.

Castiel mistakes a breakfast menu with a spell book.

Castiel is not impressed.

Castiel - angel killer number 1 - strikes again. ;)

A waitress hits on Castiel.

Castiel is dying (Duh!) - Crowley saves him.

His brothers offer Castiel that he can come back to heaven.

Due to Lucifer's child, Castiel has temporarily full powers, and is able to kill Dagon and heal Dean. He decides that Lucifer's child must be born and he will be his guardian, because he showed him the future.

Lucifer stabs Castiel with an angel sword. Castiel dies. (Duh! That is the fifth time!)

13. Season

Castiel is dead. Really? Dean and Sam burn his body.

Jack, Lucifer's son says that Castiel is his father.

Castiel is the first one to ever be awake in the big empty and a Cosmic Entity is not amused.

The Cosmic Entity sends Castiel back to Earth. Duh! He is wearing Jimmy's original suit, blue tie, and trench coat again.

Castiel and Jack meet. They connect. By accident Jack kills an innocent. Castiel tells him about the people he killed.

Castiel has to handle a powerless Lucifer.

Donatello: "Who kills angels?"

Castiel, the greatest angel killer of them all, looks ashamed.

Castiel tortures Donatello until he is brain dead.

Rowena calls Castiel "the handsome angel". Castiel is taken with her flattering.

Castiel sits on the throne of heaven.

Crossing over to the Alternate World Gabriel ends up with his face buried in Castiel's crotch.

Castiel stabs and kills the Alternate World Castiel.

14. Season

Castiel takes desperate measures to save Jack, who is fatally ill.

Castiel makes a severe deal with the Cosmic Entity to save Jack from going to the empty.

Castiel took the decoder ring out of the Cookie Crunch box and unriddled the secret password 'cookie-tacular.'

Castiel kills one more angel. Duh!

Castiel mourns the loss of Jack.

15. Season

Sam shoots Castiel by accident.

Dean sends Castiel to hell.

Castiel jumps into hell.

Castiel needs to sing Enochian verses.

Castiel kills Belphegor, consequently he also destroys Jack's vessel.

Castiel and Dean have a serious parting.

Castiel is almost back to his old badass self.

Castiel lures Michael into a trap and then takes him on.

Castiel reunites with Jack.

Castiel loses at playing "Four in in row" with Jack. *eyeroll*

Castiel goes to the Empty to find Ruby and runs into someone else. Kind of.

Castiel and Jack in the field solving a murder case.

Castiel sacrifices his life, and goes voluntarily to the Empty, to save his family.

Jack resurrects Castiel again. He helps Jack to reshape heaven for the better.