Eddie sneakily floods the basement so that Fiend, Haggis and Norman are allowed to live upstairs with the family. But his plan backfires when hanging round with the human's too long turns the monsters into very un-monsterly, civilised grown-ups.
Source: CBBC
Series 2: 12. Alone Together
When the monsters are left home alone while the family visit Kate's parents, they receive a surprise visit from a couple of burglars. The burglars certainly get more than they b ...
06-05-2015
CBBC
Series 2: 11. Swap Fever
When Eddie tells the monsters about swapping teeny pets - free toys that come in cereal packets - Fiend becomes addicted, determined to build the biggest collection of teeny pet ...
05-05-2015
CBBC
Series 2: 10. Chain Gang
When the monsters are impressed by a few of Dad's old magic tricks, Fiend decides to become a master magician. Of course, he is useless, and manages to chain Angela and Norman t ...
01-05-2015
CBBC
Series 2: 9. The Fall Out
It's Eddie's birthday and he can't wait for a party with his three best friends in the all the world - Haggis, Fiend and Norman. But when the monsters argue over what present to ...
30-04-2015
CBBC
Series 2: 8. Next Big Thing
Eddie pretends to be ill to avoid a maths test, promising the monsters they'll have a great day hanging out together. But the monsters think they really have caught something fr ...
29-04-2015
CBBC
Series 2: 7. Quality Time
The monsters are fed up with the family never having time for them, so they steal all the clocks in the house. In response, Nick installs a huge and terrifying grandfather clock ...
28-04-2015
CBBC
Series 2: 6. Monstrously Good Cookies
When Kate wins a cookie competition, little does she know that some of Norman's fur went into the mix that won her the top prize. So when a film crew comes to film her making th ...
27-04-2015
CBBC
Series 2: 5. Monster On Top
When Eddie goes on a school trip, the monsters are lost without their leader. So Fiend appoints himself king of the monsters. But Haggis and Norman each think they should be in ...
24-04-2015
CBBC
Series 2: 4. Teenage Dream Boy
Norman turns into a human boy for just one hour and escapes from the basement - so Eddie and the others have to catch him before he barges in on Kate and Nick's dinner party ups ...
23-04-2015
CBBC
Series 2: 3. Staycation
The Carlsons are all set to go on a dream holiday to Mexico - until Norman eats their passports at the last minute. But Eddie and the monsters persuade the family they don't nee ...
22-04-2015
CBBC
Series 1: 11. Baby Love
When Angela is asked to babysit, the monsters ask Nick how babies are made. As usual, they get the wrong end of the stick and Haggis ends up thinking he's pregnant. But will Edd ...
09-03-2015
CBBC
Series 1: 5. The Big Fib
When Eddie teaches the monsters about lying, little does he realise what he has unleashed. What starts out as a tiny fib soon escalates into a series of huge whoppers, and Eddie ...
27-02-2015
CBBC
Series 1: 3. Monster In A Box
Haggis is depressed and no one knows why. A therapist says he needs a father figure, so Nick reluctantly steps into the role. But when Nick starts to enjoy his time with his new ...
25-02-2015
CBBC
Series 2: 10. Chain Gang
When the monsters are impressed by a few of Dad's old magic tricks, Fiend decides to become a master magician. Of course, he is useless, and manages to chain Angela and Norman t ...
01-05-2015
CBBC
Series 2: 4. Teenage Dream Boy
Norman turns into a human boy for just one hour and escapes from the basement - so Eddie and the others have to catch him before he barges in on Kate and Nick's dinner party ups ...
23-04-2015
CBBC
Series 1: 1. Strictly No Pets
The Carlsons move into their new dream home, but little do they realise there are monsters living in the basement. How long can Eddie hide Fiend, Haggis and Norman from the rest ...
23-02-2015
CBBC
Series 2: 8. Next Big Thing
Eddie pretends to be ill to avoid a maths test, promising the monsters they'll have a great day hanging out together. But the monsters think they really have caught something fr ...
29-04-2015
CBBC