The best and worst of tonight's TV listings, featuring the season finale of "South Park," the season premier of "Top Chef," and some good late-night guests.

Lots of season premieres, the finale of 'Top Chef Masters,' and the rest of tonight's television highlights.

It's not a great night for television, but if you're in the mood for Willow Smith numbers performed by Springsteen, at least there's that.

The spoon, people.

Survivor: One World (CBS) -- Tonight's episode will feature an "unforgivable betrayal," which is marketing speak for: "All of our contestants suck really hard this season, so please, please watch.

2012 Republican Primary Debate (CNN) -- After 3,345 debates so far (Google it), this one may be the last of the Republican primary season.

ABC is all reruns again tonight, so unless you're into "Top Chef," you're screwed if you're looking for good television during prime time.

It's been a fairly disappointing season of "Top Chef" this year, thanks in part to the contract that the show signed with the state of Texas which requires that the show make everything Texas-themed in exchange for filming there.

Modern Family (ABC) -- Tonight's an "historical" night for television, as Lily becomes the youngest person ever on a network to utter the F-word.