Showtime is hoping to extend the life of its “L Word” franchise with a spinoff starring Leisha Hailey.Thesp has signed on to shoot a pilot presentation for the pay cabler. Ilene Chaiken, creator and exec producer of “The L Word,” will write and produce the pilot. Shooting is skedded for December. Since 2004, Hailey has played Alice on “The L Word,” a series about a group of gay and straight women living in a trendy Los Angeles neighborhood. The sixth and final season of the Showtime-produced skein is slated to run in January.