Zarg tries to defeat Stan - who has become a sports star.
Source: CITV
Run Nerd Run
Zarg decides to have some fun with Irwin and Dudley by hunting them down.
02-12-2019
CITV
Nerd Fu
Irwin and Dudley invent their own form of self-defence called - not kung fu but Nerd Fu.
27-11-2019
CITV
Lucky Day
Zarg believes Dudley is lucky and starts wearing him as a good luck charm.
25-11-2019
CITV
Chatty Cheena
Irwin and Dudley hide a walkie talkie in Maiden Cheena's crown.
20-09-2019
CITV
The Big Stanuna
Stan's title as best surfer is challenged when Dudley discovers he is a natural.
16-09-2019
CITV
Einstan
Dudley develops a formula that turns muscle into brains and makes Stan super intelligent.
24-05-2019
CITV
Zarg World
Zarg orders Dudley to build him a monument so Dudley plans an amusement park.
20-05-2019
CITV
Survival Of The Twittest
Urp is embarrassed of his son Lyle's nerdy ways while trying to earn Cub badges.
24-09-2018
CITV
The Sky's The Limit
Becky tries to prove to Dudley that she does not need his help on mechanical matters.
24-04-2018
CITV
Adventures In Monster-sitting
When the Monsters head off for an annual shindig, Lyle is left alone to babysit Vink.
25-04-2018
CITV
Springing Lyle
Lyle becomes joined with Vink's sister and the Nerds must find a way to save him.
05-12-2017
CITV
Me Stan, You Linty
Stan discovers a huge wad of lint in his belly button.
13-12-2017
CITV
Hero Zeroes
The Nerds acquire superpowers after being bitten by a four-headed snake.
05-03-2018
CITV
Monster Fever
Becky's cold germs have a bizarre effect on the monsters.
30-04-2018
CITV
Little Bundle Of Terror
When Urp and Durn give birth, Lyle is blind to his new little sister's dark side.
02-11-2017
CITV
Brother Bother
Zarg's long lost older brother shows up and decides he wants to be Monster King.
06-11-2017
CITV
Einstan
Dudley develops a formula that turns muscle into brains and makes Stan super intelligent.
24-05-2019
CITV