We are joined by Andrew Allan who recently noticed a gigantic star has disappeared; were could it have gone and why? Plus, his Dangerous Dan list has been sorely missing this Indian Cobra ... See omnystudio.com/policies/listener for privacy information.

Dan is joined by a NASA Rover Driver; Sophia Mitchell is responsible for manoeuvring the rovers on Mars! Plus, could you imagine a noise loud enough to injure you? See omnystudio.com/policies/listener for privacy information.

Dan is joined by Dr. Martin Bencsik whose research on bee language means he's been able to pick out specific sounds and translate them! Plus, Dan inducts the largest spider on earth onto the Dangerous Dan list.

Imagine the height of Mount Everest, but as a crater under the sea? Dan meets Challenger Deep and you will too! Plus, we're joined by Dr. Ken Collins to learn more about the science of oysters and their pearls.

In a double guest special, Dan is joined by the authors of 'Shark Super Powers', Jillian Morris and Duncan Brake - we bet you didn't know what made these creatures so special! Plus, author of 'Martian Blood' John Pahl to hear how feasible it really is to

To celebrate Dinosaur Day on Monday 1st June, Dan presents a special, dino-themed show. He welcomes palaeontologist Dr. Dean Lomax to hear all about how dinosaurs are discovered and named. Plus, you won't be able to guess his special Dangerous Dan!

Dan is joined by the founders of 'Kids Against Plastic' to learn more about being "plastic clever". Plus, it's a double guest special, as the episode rounds off with Dan hearing from the British Science Association's CEO about young people keeping faith i

Imagine boiling hot lava which is bright blue! Dan flies us to this location on this episode. Plus, he is joined by Dr. Dude of Mad Science to pick his brain about all things chemistry.

Dan is joined by super science expert, Steve Mould so answer all our wildlife questions! Plus, don't be fooled by this beautiful snake - it's deadly!

We thought we had dinosaurs all figured out, but Dr. David Unwin joins us to show they're still constantly surprising us. Plus, Dan visits the scorching surroundings of the hottest place on Earth.