Last-gasp Longwell attempt lifts Vikings past Saints (Reuters via Yahoo! News)

Three cops, all sideburns and leather jackets, wend their way through a Manhattan nightclub crowd decked in platform shoes and Afros, swirling through smoke and a disco ball. Is this some kind of retro theme night? For Sam Tyler, the hero of ABC's new Life on Mars, it's an unlikely and unwanted step into the past, circa 1973.