Larry J. Blake

Mary, Laura, and Mr. Edwards' adopted son Carl long to get a first-hand look at the kinds of trains they learn about in school. The kids eventually con their parents into letting them go on a business trip with them. While messing around on a caboose at the train station, the children are in for the ride of their lives when it detaches from the rest of the train and runs loose.

After a distraught gambler's attempted suicide, Mr. Lucky tries to discover who has been using a deck of marked cards.

The governor of New Mexico Territory must convince Billy the Kid to bring evidence against a gang.

Kimble interferes with a woman's (Celeste Holm) search for evidence against a shady construction boss; guests Jack Warden, Harold Gould.

A merchant looking to make more money fabricates reports of snowfall cutting off local supply lines.

Earp arrests a stagecoach robber who copies the style of Jesse James, but the witnesses refuse to testify and the robber goes free, leading Earp to enlist the skill of a cheating gambler to set a trap for him.