Bert Holland

A boy genius and the robot he invented give Columbo some unsolicited assistance. Jose Ferrer, Lew Ayres, Jessica Walter, Robert Walker and Lee H. Montgomery gust star.

A simple inheritance case turns into murder as Mason's client is found in a locked room, beside a body, with a gun clutched in her hand.

Dan Mathews stops off in the tiny, isolated community of Larchmont. Immediately little things begin to happen: he can't get breakfast in a restaurant because the stove is out of order; the second restaurant closes as he comes over to it; the General Store is closed; nobody's around. Dan's curiosity changes to suspicion when he comes across an out-of-state car which checks out to be stolen.

Sam Drucker stocks no cosmeteticals in his store so Lisa offers to put together a display for him. When 395 cartons of Lady Love cosmetics are delivered Lisa pushes Sam out the door and converts his business into a beauty saloon . After Oliver tells her she must move her business somewhere else she sets up shop in their living room.

The Lone Ranger dons the disguise of outlaw Juan Ringo to capture the man who has gained control of Border City.