Private eye series. Portrayed by Mark Roberts and Steve Dunne, these two investigators headquarter at a lush Phoenix motel. When not working, they like to lie beside the luxurious swimming a pool, get a suntan and ogle the girls. Mike is impulsive, romantic and literary. Bob is judicious, hard-headed, methodical. Together, they are the Brothers Brannagan, the unbeatable team of private investigators which debuted in the 1960 fall. The weekly CBS Films series is set in the Mountain Shadows resort hotel in Scottsdale, near Phoenix, Arizona, which the two brothers use as a base of operations both business and social. The brothers are amiable and relaxed, but rugged and virile