Season 4

Episode 16 ontheheadofapin

A mysterious force hunts angels. Who is the mastermind behind the pen ~ fun ~ pavilion www.biquge.info? Cassitel and Urrell call Dean and ask him to torture the prisoner of war Alaster. On the way, Alastair untied himself and nearly killed both Dean and Cassie, but Sam showed up in time to kill Alastair with his superpowers. Cassie is also guided by Anna to find out that the person behind the hunt for angels and the release of Alastair is actually Ulliel, and kills Ulliel with Anna

Episode 20

Cassie tells Dean in a dream something important for him to know, but by the time Dean and Sam arrive at Cassie's designated location, Cassie has been dragged back to heaven from his "container" Jimmy. The two brothers need to protect Jimmy from being killed by demons until Cassie returns.

Sam begins to become addicted to demon blood, and when he kills a demon, he finally can't control himself from drinking demon blood like a vampire, and Dean, who is on the sidelines, witnesses all this, and reluctantly locks Sam in Bobby's basement with Bobby.

Episode 21 WhentheleveeBreaks

Sam is locked up in the basement, and Bobby and Dean plan to help Sam get rid of his addiction to drinking demon blood, and Sam does not get the demon's blood, and while in the basement he is in pain and constantly hallucinates. Cassie then frees Sam, who immediately contacts Ruby and drinks the demon's blood again. When Dean finds Sam, the two get into a fight, and after Dean says Sam is Freak, the two get into a fight, and Sam eventually abandons Dean and turns away.

Episode 22

This is the final episode of the fourth season, and many mysteries are solved in this episode. Lilith's last seal. Sam unknowingly and Ruby find Lilith, but Dean is captured by Zachariah, in fact, killing Lilith is the last seal, and Dean ultimately fails to stop Sam. Eventually, although Ruby was killed, the blood that flowed on the ground began to gather after Lilth was killed, and a strong light began to appear, and finally ......

Season 5

Episode 6

Strange things happen in the town, the governess Ambo snatches out his brain to death, and then someone has a mouth full of teeth pulled out by the legendary tooth god. Sam and Dean follow the clues and find the little kid Jesse. It turns out that Jesse's mother is a human and his father is a devil. Cassie finds the Sam brothers and tells them to kill Jesse because Jesse's energy is too strong. For the Angel Corps, the Human-Ghost Race is more terrible than the Devil. The two brothers refuse, and Cassie goes into battle herself, but Jimmy turns him into a doll.

As the two Dean brothers lobbied Jesse Jr. to restore Cass, the devil came to the door. The devil wants to take Jesse away, and Sam is so anxious that he tells the child the truth. When Jesse listens, he uses his power to drive away the devil.

Jesse said he wanted to leave home with his two brothers, but said goodbye to his adoptive parents before leaving. However, Jesse didn't come down for a long time, and when the two brothers went upstairs to look for it, they found that little Jesse had disappeared. After Jesse leaves, Cassie returns to her original form. Cass thinks there's no need to look for Jesse because he's too powerful for anyone to find him unless he wants everyone to find him.