Sam Knight

Adam Harrison
Adam Harrison, is very close- best friend.

Chloe Haywood
Chloe is Sam's ex-girlfriend. The pair have been friends since the 7th grade. They dated on and off throughout the first season.

Belinda Bennet
Belinda is another of Sam's close friends.

Emily Hart
Emily and Sam have a rivalry and the pair have not seen eye to eye. Especially after Emily becomes a vampire, Sam has never trusted her.

Ethan Crane
Ethan is Sam's ex-boyfriend. The pair dated during season 3 and 4, after Sam came out gay.

Lana
Lana is an ex-demon who Sam took to Senior Prom, she parted town during Graduation, and returned in season 5. Sam and Lana dated briefly in season 5, until Sam broke up with her, after realizing he's into guys more than woman.

Jake Anderson
Jake is Sam's current boyfriend.

Season One

 * In Season 1, Sam appears in all 20 episodes.

Season Two

 * In Season 2, Sam doesn't appear in 1 episode:
 * Darla

Season Three

 * In Season 3, Sam appears in all 24 episodes.

Season Four

 * In Season 4, Sam doesn't appear in 1 episode:
 * The Trail

Season Five

 * In Season 5, Sam doesn't appear in 2 episodes:
 * Welcome to Fangtasia
 * Sanctuary

Season Six

 * In Season 6, Sam appears in all 23 episodes.