Killer Karaoke
Based in part on the British game show "Sing If You Can," truTV's "Killer Karaoke" takes a tame singing competition and squeezes it senseless, challenging contestants to try to sing popular songs and keep their concentration while experiencing unusual and outrageous physical challenges. Forgetting lyrics might be the least of contestants' problems. Winning contestants can earn cold hard cash for their troubles -- hopefully enough to cover their medical bills. Former "Jackass" star Steve-O hosts the first batch of episodes before being succeeded by Sugar Ray frontman and TV host Mark McGrath. …