The NBC network has renewed the show Will & Grace for an 18-episode third season. The show was already renewed for season two, which will debut in fall this year. NBC has upped the season two order to 18 episodes, from 13 episodes. The series reunited stars Debra Messing, Eric McCormack, Sean Hayes and Megan Mullally. The popular, original, Will & Grace ran from 1998 to 2006.