Catch up TV
Series 1: 12. Sizzling Monks, Algorithms and Weather Frogs
Dr Big Brain has an electrical short circuit, Marie Curie is wowed by a rocket man, some of the great women of science are celebrated, and 200 monks get electrocuted!
Source: CBBC
Most recent episodes of Horrible Science
Horrible Science
Series 1: 11. Dragon’s Blood, Rude Flowers And Wibbly Wobbly Gravity
Big Brain has a chemical catastrophe, Sir Isaac Newton rides a coaster again, with shocking results, Loofah is after a murderer, and Dr Henry VIII on call!
18-09-2026
CBBC
Horrible Science
Series 1: 10. Real Mutants, Volcanoes And Drinking Vomit
The Real Mutants assemble, people are drinking vomit and electrocuting themselves for science, and the earth and moon have an earworm about the solar system.
17-09-2026
CBBC
Horrible Science
Series 1: 9. Space Vomit, Pet Mushrooms And Death By Chicken
Revolting space travel, evolving cows, pet mushrooms, and Einstein watches a car on a trampoline.
16-09-2026
CBBC
Horrible Science
Series 1: 8. A Meteor For The Dinosaurs, Binary Bangers And Perilous Plants
Fred Sirieix stars in Scientific First Dates, Marie Curie reacts to space, and the dinosaurs get an unwelcome musical meteor visitor.
15-09-2026
CBBC
Horrible Science
Series 1: 7. Fartenheimer, The Water Cycle And 206 Bones
Science goes too far in Fartenheimer, music goes too far in Heads, Shoulders, Knees, Toes and All the other Bones in the Body, and there's a Swiftian take on the water cycle.
14-09-2026
CBBC
Horrible Science
Series 2: 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 Ove ...
13-09-2026
CBBC
Horrible Science
Series 2: 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.
12-09-2026
CBBC
Horrible Science
Specials: 1. Big Bang Prom!
From squabbling scientists to sneaky super villains, Isaac Newton, Albert Einstein, Marie Curie and Katherine Johnson stop Dr Big Brain from ruining the prom and destroying the ...
11-09-2026
CBBC
Horrible Science
Series 1: 6. Dinosaur Traitors, A Grumpy Moon And A Big Bang
An episode featuring everything from the creation of the number zero to the beginnings of the whole universe. The moon gets lonely, there's an ISS cookery competition, and DI Lo ...
11-09-2026
CBBC
Horrible Science
Series 1: 5. The Force Force, Lever Man And The Goldilocks Zone
Meet superheroes the Force Force, and some of the 17th century’s greatest minds star in Friends parody Colleagues.
10-09-2026
CBBC
Most popular episodes of Horrible Science
Horrible Science
Series 2: 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 Grrr ...
12-08-2026
CBBC
Horrible Science
Series 2: 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.
14-08-2026
CBBC
Horrible Science
Series 2: 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 t ...
28-08-2026
CBBC
Horrible Science
Series 2: 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!
27-08-2026
CBBC
Horrible Science
Series 2: 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 P ...
29-08-2026
CBBC
Horrible Science
Series 2: 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.
05-09-2026
CBBC
Horrible Science
Series 2: 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.
12-09-2026
CBBC
Horrible Science
Series 2: 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 Ove ...
13-09-2026
CBBC
Horrible Science
Series 2: 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.
17-08-2026
CBBC
Horrible Science
Series 2: 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.
26-08-2026
CBBC