story. reporter: meet man s best friends but a bed bug s worst enemies. good boy. reporter: if you ve got bed bugs, bed-bug sniffing dogs are the most reliable way to find them. and we don t want to scare you but.. it s conceiveable that at some point everyone that you know will have dealt with them in one way or another. reporter: the bed bug blues. later this sunday morning. osgood: time machines that can take us back to the past are an impossibility according to many experts. they must not know about the machines our john blackstone will be showing us. reporter: many of the classic automobiles gathered at pebble beach are makes that disappeared decades ago. pierce arrow, packard, duesenberg, delage on the road again in a highly competitive beauty contest. everyone on the field wants to win this show. why are you there? reporter: join us for a particularly elegant sunday drive later on sunday morning. osgood: ben affleck is one of the biggest names in h