Chasing the laughter - it's infectious

A British quiz show hosted by former footy player and star of Law & Order UK, Bradley Walsh, it has a clever, snappy format and occasional moments of childish hilarity. It all comes down to the questions and Walsh's inability to speak when laughter takes hold of him.

There's a YouTube clip of an episode featuring the question: "In what sport does Fanny Chmelar compete for Germany?"

Having read the name out loud, Walsh's eyebrows begin to knot, his shoulders rise to his ears. He shakes, and a strange whining noise comes out of him. He is - as described in the business - corpsing. Gone. For minutes. Dumb, but I challenge you to not laugh along.

Apparently, the question setters slide similar material in regularly. Here's two more: "What is cartoon character Andy Capp known as in Germany? A. Dick Tingeler, B. Helmut Schmacker, C. Willi Wakker."

It's C, for the record. And, "Dump, Floater and Wipe are terms used in which team sport?"

See, sophisticated humour gathered from the writers' meeting in the primary school playground.

There's plenty of naughty boy gags in Top Gear Festival Sydney (BBC Knowledge, 8.40pm), with Jeremy Clarkson and James May taking the show to Eastern Creek raceway for a massive rubber-burning party.

Clarkson and May, both resplendent in flower-patterned shirts featuring overworked gut buttons, are witty and patronising as they talk us and the crowd through a series of preposterous mechanical match-ups. If you've always wanted to see a construction site digger race a V8 Supercar, this is the show for you.

Shane Jacobson and Steve Pizzati from the Australian Top Gear lend a hand, with nice work on and off the track from retiring formula one star Mark Webber.

And if you think the Fanny Chmelar stuff was childish, wait until you see what Clarkson draws on the whiteboard.

Jacobson displays his performing versatility by channelling his revhead and pastry-puff personas simultaneously.

While Top Gear thumps along, he also co-hosts the semi-final of The Great Australian Bake Off (Nine, 8.30pm).

The four bakers are faced with a gluten-free tart, croissants and a strudel, vying for the three places in next week's final.

Naturally, the croissant section leads to outrageous French accents. Part of Jacobson's charm is his refusal to be afraid of looking stupid. He comes across as a good bloke.

I have not become emotionally attached to any of the contestants, but that says more about the show's style than their personalities.

And the answer is volleyball.