I will talk about the first 4 parts of this movie. 5 & 6 is done on a seperated review episode.
An evil, sadistic Leprechaun goes on a killing rampage in search of his beloved pot of gold.
Leprechaun 2 (1994)
On his one thousandth birthday, an evil leprechaun selects the descendant of one of his slaves to have as his bride, leaving it up to the girl's boyfriend to save her.
An evil leprechaun finds himself in Las Vegas, where he proceeds to cause mischief by killing people, granting twisted wishes, and infecting a young man with his green blood.
Leprechaun 4: In Space (1996)
Our deadly leprechaun is in space to woo a beautiful princess who is impressed with his gold and desires to separate him from it.