Rand Brooks

Eddie's science project, a robot, malfunctions.

Two greenhorns from the East are blamed for murder and claim jumping.

One of Hoppy's Bar 20 ranch hands is tricked into participating in nefarious activities after being subjected to hypnosis.

Two speculators try to gain an advantage in the stock market when they hire former Pony Express riders to relay information to Denver, but Bat and one of his friends thwart their plan by using carrier pigeons.

Teacher Lola Blair is against building the saloon right next to her schoolhouse. When she is kidnapped, Hoppy rescues her and forces the saloon keepers to relocate.

Hoppy is an agent of the federal government investigating the counterfeiting of both U.S. and Mexican money. His only clues are the name "Mordigan" and a drawing of a comet.