Jared Padalecki and Jensen Ackles Jared Padalecki and Jensen Ackles

Supernatural (Friday, 8/7c, The CW)

The good news is that fans don't have to sweat this cult show's future. It has been picked up for a seventh season. The bad news: Sam's life becomes a living (and possibly literal) hell in the second of two back-to-back episodes constituting the season finale. Series creator Eric Kripke wrote the final hour, during which the wall in Sam's head cloaking his bad memories finally collapses, and the poor boy is none the better for the experience. While Dean and Bobby feel helpless as Sam breaks, the battle for heaven reaches a turning point.

Saturday Night Live (Saturday, 11:30/10:30c, NBC)

It's a superstar finish to the late-night hit's season, as Justin Timberlake returns for a fourth gig as host. (Can he and Andy Samberg top their past Digital Short collaborations?) Making her second visit as musical guest: Lady Gaga, who's been everywhere lately, from American Idol to her own HBO concert special. Overexposed? Maybe, but she was born that way.

Billboard Music Awards (Sunday, 8/7c, ABC)

With Community's Ken Jeong hosting — reason enough to tune in — TV's latest back-patting music extravaganza honors Beyonce with the Billboard Millenium Award for career achievement. Top finalists for awards include Rihanna with 18 nominations, Eminem with 16, the aforementioned Lady Gaga with 12, and Bruno Mars and Justin Bieber with 11 each. Among the night's scheduled performers: Cee-Lo Green (taking a night off from The Voice), Nicki Minaj, the ubiquitous Black Eyed Peas, Keith Urban and Lady Antebellum.

Jesse Stone: Innocents Lost (Sunday, 9/8c, CBS)

The network TV-movie is such an endangered species that CBS recently severed ties with the Hallmark Hall of Fame institution. But for now, the network is continuing with the Jesse Stone franchise, with Tom Selleck reprising his role as Robert B. Parker's melancholy small-town police chief — recently deposed and now acting freelance in the seventh installment in the quietly moody series. Cowritten by Selleck, this movie finds Jesse in rogue mode as he uses his network of unsavory connections to look deeper into the fatal overdose of a girl he once counseled. Naturally, he clashes with the town's smarmy new police chief. Let's hope this isn't the last we see of Jesse Stone. He's good, if brooding, company.

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