1 - Brilliant Brains

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

2 - Ridiculous Rules

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

3 - Ludicrous Landmarks

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

4 - Terrible Transport

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

5 - Twisted Technology

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

6 - Enormous Empires

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

7 - Monstrous Mothers

Rattus and his mum look at Monstrous Mothers!

8 - Rat-o-Vision Song Contest

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.

9 - Episode 9

10 - Episode 10

11 - Episode 11

12 - Episode 12

13 - Episode 13

14 - Episode 14

15 - Episode 15