When rancher Jim Thornton discovers gold in Gold Valley, he sends for Lash and Fuzzy to protect his treasure from a band of gunslingers.

There's a dispute over water rights, and every lawman that arrives to settle the score is killed. It's up to Lash to settle the score and find out who is behind all the killings.

Marshals Lash and Fuzzy are sent to get the goods on Duce Rago. To join Rago's gang, Lash decides to pose as an outlaw by wearing the known belt buckle of a notorious outlaw.

Lash goes south of the border looking for a counterfeiter, a kidnapped engraver and his daughter, and the mysterious Frontier Phantom, while Fuzzy St. John studies hypnotism.

Lash and Fuzzy come to town to unmask the mysterious outlaw kingpin, El Sombre.

The Dalton gang has moved west taking new identities and Marshals Lash and Fuzzy are after them. They receive help from Pinkerton agent Joan Talbot as they try to sort out who the bad guys really are.

A whip-cracking federal marshal goes under cover as a masked bandit to ferret out a gold-bullion thief.

Lash and Fuzzy have been sent to escort the new Governor to the Capitol City. West and his outlaw gang are out to stop them. When Lash's first attempt is foiled, he realizes the Governor's supposedly deaf and dumb servant is the informant and sets a trap for the gang.

Walker is an undercover Pinkerton Agent and gets Lash and Fuzzy involved in cleaning up the Taggert. A mash up of old Lash films and other movies and released as an original film.

Having sent Deuce Rago to prison in Frontier Revenge (1948), Lash finds he's out and his outlaw gang are at it again. This time he has the Lawyer Leonard and Joan to help him out and Lash and Fuzzy must bring him in once more.

Lash Larue seeks to arrest his twin brother, known as the Frontier Phantom