Things keep vanishing. Numberjacks 3 and 4 discover that 0 has disappeared too and is causing things to vanish. He is evading all attempts to get him back. When 3 helps out on the Brain Gain machine, everything is tripled but order is finally restored.
The episode opens with 3 trying to convince 4 that she is taller than him. The alarm goes and an agent says there is a boy having trouble with his pencil. 4 takes the mission to see what is wrong. Can he help?
When everyone passes under a bridge, they become one higher number: 4 turns into a 5, then 6. It's 1 that's causing all the trouble. Brain Gain changes 1's mind to make things one less.
Agents: 53, 28, 94, 68 Numberjacks: 1, 3, 4, 5, 6
Spooky Spoon wants to be higher than everyone else, so she is swapping light things and heavy things to put people down on the ground - 5 and 3 fly out.
Agents: 53, 16, 68, 85 Numberjacks: 3, 4, 5, 6, 9
The Puzzler has 9 trapped in a puzzle bubble - 6 and 3 come to the rescue. In this episode, 6 turns into two 3's.
Agents: 25, 34, 88, 100 Numberjacks: 3, 4, 5, 6 (two 3s), 9
Not just a few problems, lots of them - 4 makes the Numbertaker take more than he wants to.
Agents: 28, 101 (Although mixed up with 42), 85, 70 Numberjacks: 3, 4, 5, 6
Things don't move when they should, like a walking trash bin etc. - 6 has got to sort Spooky Spoon out.
Agents: 34, 52, 73, 100 Numberjacks: 0, 3, 4, 5, 6
Spooky Spoon wants to be the most colourful character around, by taking other yellow, red, and blue things - 4 is out to stop her.
Agents: 88, 34, 25, 100 Numberjacks: 3, 4, 5, 6
Everything is empty thanks to the Puzzler - 3 helps 5 to fill things up again but not without 3 getting caught by the Puzzler.
Agents: 25, 61, 96, 100 Numberjacks, 2, 3, 4, 5, 6
3 is out on her own trying to do battle with the Shape Japer, who does not like things in threes.
Agents: 25, 34, 88, 100 Numberjacks: 1, 2, 3, 4, 5, 6
Be clear what you mean or the Problem Blob will make trouble for you, as 4 finds out. In this episode, the Problem Blob sticks on two walls and a cube-shaped bush.
Agents: 34, 47, 100, 14 Numberjacks: 3, 4, 5, 6
The Numbertaker likes two lots of three today - 6 is the Numberjack to sort him out. This is the first appearance of the Numbermaker.
Agents: 42, 85, 55, 68 Numberjacks: 3, 4, 5, 6
The Shape Japer is after things that come in eights - 4 goes on the mission. In this episode, the Shape Japer stays as a cube, and become good eight at the end.
Agents: 16, 42, 68, 101, Numberjacks: 2, 3, 4, 5, 6, 8
The Problem Blob makes things go wrong when people can't estimate - 5 to the rescue. Problem Blob's first word is "What?".
Agents: 28, 55, 70, 101 Numberjacks: 3, 4, 5, 6
Numbers 3, 4 and 5 are in the gym standing among a mixture of colourful circles, playing the circle game. The Agents call in reporting problems at the beach - 6 takes on the mission. Objects are behaving strangely - they've taken on a life of their own. It's the Shape Japer causing mayhem.
Things aren't being shared fairly, thanks to the Problem Blob - 6 makes everything all right.
Agents: 28, 101, 85, 33 Numberjacks: 1, 2, 3, 4, 5, 6, 7, 8,
The Numbertaker is taking threes today - but he can't take Numberjack 3: In this episode, 3 turns into a 4.
Agents: 28, 55, 70, 101 Numberjacks: 1, 3, 4, 5, 6
The Numbertaker has added ten more than 1 - 4 has to sort him out. 4 turns into a 14, and the Numbertaker turns into eleven.
Agents: 33, 55, 70, 85 Numberjacks: 1, 3, 4, 5, 6, 7, 8, 9
Time passes very strangely - thanks to Spooky Spoon. 5 investigates. This is the first appearance of the Beeper.
Agents: 38, 54, 79, 95 Numberjacks: 3, 4, 5, 6
It's 1, 2, 3 - pattern time! 3 battles with the Puzzler. This is the only episode where the Brain Gain machine hasn't been used.
Agents: 17, 54, 60, 106 Numberjacks: 1, 2, 3, 4, 5, 6, 9
The Shape Japer makes trouble with symmetry - 4 goes out to sort things out. In this episode 4 gets an extra bit of body.
Agents: 17, 22, 41, 38 Numberjacks: 3, 4, 5, 6, 7, 8,
The Problem Blob causes trouble - and 4 tries out being a human being. There is a special Numberjack known as the Numberjack Man (played by Steven Lim), known as 4's temporary replacement.
Agents: 79, 83, 95, 106 Numberjacks: 3, 4, 5, 6
Spooky Spoon is mixing things up again and makes things at a cafe behave like party things and vice versa - 3 gets ready to take her on.
Agent: 17, 54, 60, 106 Numberjacks: 3, 4, 5, 6
What starts as a happy holiday in the sun soon gets more complicated as all the Meanies try to make like hard for the Numberjacks. Only after much excitement do things get back to normal.