Hard Quiz puts four self-nominated experts under Tom Gleeson's merciless microscope. This week's topics are actor Gene Wilder, drag queen Trixie Mattel, coral and tennis champ Rafael Nadal!

Four brave contestants step into the Hard Quiz spotlight for a chance to win Tom Gleeson's Big Brass Mug. Tonight's expert topics: tornadoes, the pancreas, rapper Eminem and video game series Five Nights at Freddy's.

It's a brand new Battle of the Duds! Tom Gleeson invites four failed former contestants to humiliate themselves again. Vying for the Big Brass Dud Mug are experts in bones, Kim Kardashian, NASCAR and The Sopranos.

Where does Tom Gleeson find these oddballs? Tonight's Hard Quiz expert topics are John McEnroe, cocktails, Amy Winehouse and The Simpsons. Let the hardest quizzer win!

Quizzing hard with Tom Gleeson are self-proclaimed experts in the Suez Canal, Jerry Seinfeld, Australian decimal coins, and the folk-rock supergroup Crosby, Stills, Nash and Young. Don't mix these topics at home!