Horrible Science Season 2 Episode release dates & where to watch

1. Paddington T-rex, The Farters and the Toxic Bake Off

Cloudia Stinkleman presents The Farters, aliens try to steal the universe's most valuable substance: wood, a family adopts Paddington T-rex, and Chappell Groan sings Got to Go.

2. Tim Peake's Stinky Space Special

Astronaut Tim Peake and Pipette journey into space to reveal how to go to the loo on suction toilets and that the drinking water is recycled wee.

3. Bloodsuckers, Talking Dinos and Soil

The Thantastic Three show why they are superheroes that matter, the handsome vampires get a taste of their own medicine, and dinosaurs don't do battle in Prehistomon!

4. Pooey, Grrrufts and Mammoth: Impossible

Pooey goes to Uncle Skid's barbe-poo, Ethan Huntergatherer bites off more than he can chew in Mammoth: Impossible, some Witches get salty, and Clare Shedding presents Grrrufts.

5. Slug Boy, Belly Flops and Scientific Taskmaster

Greg Davies and Alex Horne host Scientific Taskmaster, and Einstein unpacks why belly flops hurt. Also, meet superhero team the Insect Revengers.

6. Blood, Bones and Body Bits Special

A guide to the human body, featuring the Handsome Vampires at the dentist, Big Brain losing muscle control, Newton explaining the need for sleep, and the ultimate disco DNA song.

7. Robots, AI and the Shape of Poo

Dr Finklestone’s monster, Big Brain uses AI for evil, find out what animal is in the box, and fossil hunter Mary Anning sings Shape of Poo.

8. Platypuses, Heavy Metal and a Missing Biscuit

Gaby Logan, Micah Richards and Alan Shearer host Elemental Match of the Day, Guy Mowbray narrates Elemental Gladiators, and Dr Big Brain’s mum comes to visit!

9. Catapulting Cows, School of Rocks and First Honk of the Proms

Big Manny guest stars for some mad science from the past, Einstein reacts to a cow on a catapult, Big Brain is on an evil field trip, and there is 'music' in First Honk of the Proms.

10. Aliens Invade, Everest Gets Taller and The Great British Fart Off

Dr Big Brain regrets taking the Vantastic Beast for a spin, the hosts regret signing up to present The Great British Fart Off, and Gladiators Viper and Dynamite help Agent Goodie.

11. Mars – The Musical, the Clean Power Rangers and Silent but Deadly 60

The Clean Power Rangers save the day, Dr Big Brain wants a lair on the moon, Steve Backfire searches for the Silent but Deadly 60, and we bring you Mars – The Musical.

12. Hexagons, Jelly Walls and Half Life

Reality hit Love Flyland launches, salty street magic with Luna the Magician, and there's a Blur/nuclear physics mash-up.

13. Nasty Nature Special

A special show featuring some of the best Horrible Science nature-themed sketches, including The Great British Toxic Bake Off, The Farters, Soil Stan and biome banger Living Over There!

14. Light, Sound and Electricity Special

Big Brain tries to turn off the sun, there’s a real stink at First Honk of the Proms, and Tesla’s Queen-inspired Don’t Shock Me Now.

15. Manky Materials and Shifty States Special

A special collection of sketches, featuring appearances by Gabby Logan, Micah Richards, Alan Shearer, Guy Mowbray and Gladiator Dynamite... and Sir Isaac Newton and Einstein!