Creature
Episode
Season
Sam
Dean
200
This creature was a soul tortured in hell until it escaped and possessed a body. They look like black smoke and leave sulfur. 

What is a demon?

200

In this episode Sam and Dean investigate a high school that is doing a musical about the book series Supernatural. It is the 200th episode.

What is Fan Fiction?

200

This is the season when Sam doesn't have a soul and they are dealing with Eve the mother of all creatures.

What is Season 6?

200

Sam's biggest fear.

What is Clowns?

200

Why Dean sold his soul in Season 2.

What is to bring Sam back?

400

This creature is a very powerful creature that was introduced in season 4. Cass is the first one we meet. 

What is an Angel?

400

This episode is filmed in black and white and the creature in this episode is a shapeshifter. 

What is Monster Movie?

400

This is the season where the villain is God and it's the final season. The final episode ends with Sam and Dean meeting up in heaven.

What is Season 15?

400

This archangel needed Sam to possess in season 5.

Who is Lucifer?
400

The episode where Dean could talk to animals.

What is Dog Dean Afternoon?

600

This creature kills people who made a demon deal and sends them to Hell. They are invisible. 

What is a Hellhound?

600

In this episode Sam and Dean aren't hunters and they work in an office building. They come across a ghost in the building and work together to defeat it.

What is It's a Terrible Life?

600

This is the season where the majority of the episodes are monster of the week. Sam is 22 and Dean is 26. John Winchester is still alive and Sam and Dean spend the whole season searching for him. 

What is Season 1?

600
The episode this line is said in. "I lost my shoe."

What is S3 E3 Bad Day at Black Rock?

600

Dean's best friend.

Who is Castiel?

800

This creature steals first born sons and do it like they were abducted by aliens. They only appear in one episode in which they abduct Dean. 

What is a Fairy?

800

In this episode Sam and Dean go to a convention about the book series Supernatural and find out that the house is actually haunted and work with other people dressed up as them. 

What is The Real Ghostbusters?

800

This is the season where Mary Winchester comes back from the dead and the main villains are the British Men of Letters.

What is Season 12?

800

The first episode he dies in.

What is S2 E21 All Hell Breaks Loose Pt. 1?

800

The first episode Dean dies.

What is Mystery Spot?

1000

This creature was once human and they cannibalized a lot of people and gained superpowers from it, such as speed. 

What is a Wendigo?

1000

In this episode Sam and Dean are investigating weird murders and find that the people are LARPers. They go to the LARPing world and find out the queen is none other then Charlie Bradbury. 

What is LARP and the Real Girl?

1000

This is the season with the Trials. First, kill a hellhound and bathe in its blood. Then, free an innocent soul from Hell. Lastly, Cure a demon. Sam goes through the Trials.

What is Season 8?

1000

Sam became this famous TV character in the episode Changing Channels.

What is K.I.T.T?

1000

The name Dean named his car.

What is Baby?