TV & VIDEO - Dec. 6, 1989

‘Nasty Boys’ Set as Replacement: “Nasty Boys,� the NBC pilot based on the real life adventures of a Las Vegas Narcotics Bureau, has won a spot as a mid-season replacement series after the pilot’s good showing in September. Dennis Franz of “Hill St. Blues� will star as undercover cop Lt. Krieger, “the dirtiest cop in Las Vegas.� . . . ABC has given a vote of confidence to “Young Riders,� its prime-time action adventure series about the riders of the Pony Express, by ordering 24 episodes--two more than the industry standard. The series becomes the first new show of the season to get such a network nod.