All Seasons

Season 1

Season 2

  • S02E01 Episode 1

    • April 9, 2012
    • CBBC

    In the first episode of a second series, Rattus tries to get the contestants to play a truly revolting Georgian warm up game. Luckily, Dave steps in just in time.

  • S02E02 Episode 2

    • April 10, 2012
    • CBBC

    Quirky quizzes and gory games. The contestants have to see how many flies they can catch, and they are pretty big.

  • S02E03 Episode 3

    • April 11, 2012
    • CBBC

    It is time for one of Rattus' favourite games - the Middle Ages Pig Piano. Part musical instrument, part Sunday lunch! Contestants have to repeat the Piggy squeals in the right order, or something unspeakable will happen.

  • S02E04 Episode 4

    • April 12, 2012
    • CBBC

    Rattus has borrowed Dave's watch without his permission. Also, there is a coin to release from Barmy Brunel's throat, some keys to find in some pretty slimy pirate barrels and Henry VIII is demanding pies to be fed to him.

  • S02E05 Episode 5

    • April 13, 2012
    • CBBC

    Dave is pretty fed up with Rattus' new game Plopscotch. He's definitely going to need a change of shirt. The Horrible Historians try to work out how to build a pyramid and make two identical portraits of Queen Elizabeth. They watch out for Emperor Vitellius, and a cauldron of truly horrible Garum Sauce.

  • S02E06 Episode 6

    • April 20, 2012
    • CBBC

    The seagull is back at the Battle of Trafalgar - it's amazing that it manages to dodge the cannon balls being fired straight at it. William the Conqueror's tomb is being looted again and you so know what's going to happen! Yes, his stomach will explode. It's so wrong, it's right!

  • S02E07 Episode 7

    • April 27, 2012
    • CBBC

    There is nothing quite like firing a severed head from a catapult to get you in the mood for some fun! The Roman Savage Siege is in full swing in this episode, along with one of Rattus' other favourites: Tudor Gong Farming - all that poop!

  • S02E08 Episode 8

    • May 4, 2012
    • CBBC

    There is nothing the rat likes better than a maggoty biscuit whilst watching our contestants play the pig piano, and rob a Victorian Grave or two. Our Horrible Historians are put through their paces with quirky quizzes, playing for those all-important year spheres.

  • S02E09 Episode 9

    • May 11, 2012
    • CBBC

    Contestants raid a pirate's treasure, find out if the God of Cupboards was real in Roman times, work out the sequence of cogs to stop barmy Brunel choking on a coin, and finally get covered in poo.

  • S02E10 Episode 10

    • May 18, 2012
    • CBBC

  • S02E11 Episode 11

    • May 25, 2012
    • CBBC

    William the Conqueror is back in his tomb waiting for another set of looters to grab as much colour-coded treasure as they can - did we mention that his guts would explode? There are WW1 words to decipher and enough garum sauce to fill several Roman cauldrons. Dave and Rattus are around to make sure there is fair play.

  • S02E12 Episode 12

    • June 1, 2012
    • CBBC

  • S02E13 Episode 13

    • June 4, 2012
    • CBBC

Season 3

Season 4

  • S04E01 Episode 1

    • January 15, 2018
    • CBBC

    Rattus is on a mission to raise Dave's Internet profile (as well as his blood pressure) and Dan, Eva and Shai compete to win Year Spheres in games including A Brush With Death and Phlegm Fling. Definitely not for the faint hearted.

  • S04E02 Episode 2

    • January 16, 2018
    • CBBC

    Rattus becomes a suff-RAT-gette campaigning for rat rights and Seb, Brooke and Nathan battle it out to win Year Spheres in games, including Calamity Train and Grave Robbers.

  • S04E03 Episode 3

    • January 17, 2018
    • CBBC

    Sam, Noah and Chiedza battle it out to win Year Spheres in games including Space Race and Lootin-khamun. And Rattus makes Dave the centerpiece of his star-studded celeb museum, which sounds way more glamourous than it is.

  • S04E04 Episode 4

    • January 18, 2018
    • CBBC

    Hosted by Dave Lamb, who wants everyone to hear his new track, Rodent Style. Jasmine, Edward and Inaaya compete to win Year Spheres in games that include Pyramid Puzzle and Gong Farming.

  • S04E05 Episode 5

    • January 19, 2018
    • CBBC

    Danyal, Rose and Tia get to test their knowledge of Horrible Histories with quirky quiz questions, set by the country's finest historical brains, and Rattus Rattus.

  • S04E06 Episode 6

    • January 22, 2018
    • CBBC

    Rattus tries to ease Dave's ailments with historical cures, and Ruhama, Ben and Charlotte battle it out to win Year Spheres in games, including Calamity Train and Pig Piano.

  • S04E07 Episode 7

    • January 23, 2018
    • CBBC

    Rattus pitches a disgusting new show idea to Dave, while Affan, John Oscar and Elisabeth compete to win Year Spheres in gruesome games, including Factory Fingers and Mega Bear Picnic.

  • S04E08 Episode 8

    • January 24, 2018
    • CBBC

    Ella and Ashley battle it out to win Year Spheres in games, including Savage Seige and Gong Farming.

  • S04E09 Episode 9

    • January 25, 2018
    • CBBC

    Rattus is on the hunt for a new chauffeur, and Paris, Keaton and Zainab battle it out to win Year Spheres in games, including I Want My Mummy and Space Race.

  • S04E10 Episode 10

    • January 26, 2018
    • CBBC

    Dave and Rattus are victims of a (highly factually inaccurate) ancient Egyptian curse, and Leon, Ellen and Katherine battle it out to win Year Spheres in games including Lootin-Khamun and Phlegm Fling.

  • S04E11 Episode 11

    • CBBC

  • S04E12 Episode 12

    • CBBC

  • S04E13 Episode 13

    • CBBC

  • S04E14 Episode 14

    • CBBC

  • S04E15 Episode 15 - Celebrity Special

    • CBBC