The television networks are looking ahead to fall.

NBC's lineup of series possibilities includes Tim Matheson as an American bachelor who falls in love with a beautiful Russian woman (Irena Ferris) in "Nikki & Alexander"; Harvey Korman and Cloris Leachman as hotelkeepers in "The Nutt House," and Robert Mitchum as a homeless man who becomes grandfather to four foster kids in "One Man's Family."

CBS is considering Dweezil and Moon Zappa as brother and sister in an unusual family in "Norman Life"; Lindsay Wagner as the manager of a zoo in "A Peaceable Kingdom," and Tim Reid and Daphne Reid as a stylish Washington couple who keep getting mixed up in solving crimes in "Snoops."

ABC's stars include Jackie Mason as a man forced into early retirement who works with inner city youths in an untitled series, and Howie Mandel as a man who keeps flashing back to different periods in his life in "Past Imperfect." -