For its final season, Fox's Glee will jump ahead six months. Although the trick is nothing new, it can produce mixed results. For every show that is creatively revitalized by the time jump, there are those that either lose their way or just simply fall right back into their old patterns. Need proof? Click ahead to see the best and worst TV time jumps.
Photo Credits: Randy Shropshire/Getty Images; Sonja Flemming, CBS; Kevin Mazur, Getty Images for TNT; Michael Gladis; HBO; Gabe Ginsberg, WireImage; Frazer Harrison/Getty Images; Jenny Anderson/WireImage; Paul Archuleta, FilmMagic