'SABRINA' PICKED UP BY ABC FOR FULL SEASON
ABC Entertainment has picked up Sabrina, the Teen-age Witch for a full season of 22 episodes. The sitcom, which stars Melissa Joan Hart, has given a boost to the Friday night lineup. It moves to 9 p.m. this week. Also as part of ABC's Friday shuffle, Clueless moves to 9:30 and Boy Meets World goes to 8:30 p.m. ... Paula Abdul, Coolio, Pierce Brosnan and ex-Prince will appear this season on ABC's Muppets Tonight.