1x1 - Tune in For Murder

September 24, 1960

When plums are found in an armored car that was wrecked, Mike and Bob look for their robbery suspect - an Indian who operates a roadside fruit stand.

1x2 - An Hour to Kill

October 1, 1960

Mike and Bob go to a roadside diner in search of samples of dope that's been used on racehorses. An escaped killer appears on the scene. Trapped with the escaped killer, the Brannagan brothers pin their escape on a bowl of stew.

1x3 - Three

October 8, 1960

Connie Spencer must decide if she should turn ex-con Frank Lucas, her father, over to the police.

1x4 - Delayed Payment

October 15, 1960

A mysterious gunman takes some pot shots at Bob. The Brannagans suspect a recently released convict they helped send to prison.

1x5 - Duet

October 22, 1960

Diane hires Mike Brannagan to guard her sister while she tries to buy off a man who wants to marry her. Diane tells Mike that Kate is embezzling her money which is why she doesn't want her to marry. Then by a neat trick Diane locks Mike in a room. She gets to a telephone and informs her fiance where Kate and Mike are keeping her and that Mike is unarmed. She tells Mike that when her fiance arrives, he will kill Mike and their story will be that Mike was attacking her.

1x7 - The Twisted Root

November 5, 1960

A murderer takes his younger brother with him on his getaway. Bob thinks the youth may be a dupe, but Mike thinks both brothers are killers.

1x8 - Love Me, Love My Dog

November 12, 1960

1x9 - Her Brother's Keeper

November 19, 1960

1x10 - The Babysitters

November 26, 1960

1x11 - The Key of Jade

December 3, 1960

1x12 - The Damaged Dolls

December 31, 1960