Episode: 3×07 (Season 3 Episode 07)
Name: Fresh Blood
Originally Aired: Nov. 15, 2007

Plot: Sam and Dean capture Lucy, a female vampire, who has no knowledge of how she became a vampire. The brothers come across Dixon, a male vampire, who gives blood to females he meets in bars, telling them it’s the “hottest new drug.” Meanwhile, after escaping from prison, Gordon sets out to find Sam, but when Dixon intercepts him and turns him into a vampire, Gordon is now an even bigger threat to Sam.