“Wipeout” (8 p.m., ABC): Contestants must defeat the Trippity Skippity Flippity Doo,

“Wipeout” (8 p.m., ABC): Contestants must defeat the Trippity Skippity Flippity Doo, which is either an obstacle course challenge or an IHOP menu item.

“The winner is” (9 p.m., nbc): On the season finale of “The Winner Is,” our crooning finalists put their mouths where the show’s money is in hopes of walking away with a million bucks. Nick Lachey hosts.

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