E1 - Brilliant Brains

Aired: February 07, 2025

Mark Labbett joins Rattus for a look at some of history’s most brilliant brainboxes.

E2 - Ridiculous Rules

Aired: February 14, 2025

Horrible Histories takes a look at some of history’s most ridiculous rules.

E3 - Ludicrous Landmarks

Aired: February 21, 2025

Horrible Histories takes a tour of the world’s greatest landmarks.

E4 - Terrible Transport

Aired: February 28, 2025

From camels to space rockets, it's the Horrible History of travel.

E5 - Twisted Technology

Aired: March 07, 2025

The mobile phone! The vibrating poo platform! HH journeys through the history of tech.

E6 - Enormous Empires

Aired: March 14, 2025

Find out how even the biggest empires rise and fall - also featuring mid-battle diarrhoea.

E7 - Monstrous Mothers

Aired: March 28, 2025

Rattus and his mum look at Monstrous Mothers!

E8 - Rat-o-Vision Song Contest

Aired: May 16, 2025

Rattus dons a sparkly golden waistcoat and presents a host of historical bangers from around the world as HH's international acts fight it out for the glittering Ratovision trophy.

E9 - Episode 9

Aired: Unknown

E10 - Episode 10

Aired: Unknown

E11 - Episode 11

Aired: Unknown

E12 - Episode 12

Aired: Unknown

E13 - Episode 13

Aired: Unknown

E14 - Episode 14

Aired: Unknown

E15 - Episode 15

Aired: Unknown