Season 1
01. The Trouble With Nothing
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.
02. Going Wrong, Going Long
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?
03. Sphere Today, Gone Tomorrow
The Shape Japer is turning spheres into cubes - 6 has a scare on the marble run.
04. In, Out, Shake It All About
Things that should be inside end up outside - 5 takes 3 out there to help sort the Puzzler out.
05. One More Time
When 1 goes out alone there's one more of everything - 4 rides the railway to the rescue.
06. Forward Thinking
The Problem Blob is causing trouble - and things can't stop going forwards. 6 hitches a lift in a remote control car to help set things right.
07. Seven Wonders
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08. Getting Heavy
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09. Belongings
Things don't belong when Spooky Spoon mixes things up - another problem for 5.
10. 4 He's A Jolly Good Fellow
The Numbertaker is taking all the fours he can find - will 4 be able to escape his clutches?
11. Boxing Day
Boxes go wrong when the Shape Japer plays tricks - but 6 can do the trick too!
12. Out Of Order
Spooky Spoon makes sure things are well out of order - until 5 sorts her out.
13. Nine Lives
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14. Takeaway
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15. The Cuck-Cuck-Cuck-Oo-Oo-Oo Bird
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16. Stop And Go
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17. Off Colour
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18. A Game Of Two Halves
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19. Out For The Count
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20. The Container Drainer
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21. Tens Moments
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22. 3 Things Good
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23. Say What You Mean
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24. One Won
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25. Tricky Sixes
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26. May The Fours Be With You
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27. Best Estimate
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28. On And Off
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29. Zero The Hero
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30. Bad Circles
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.
31. Famous Fives
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32. Fair Shares
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33. Being 3
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34. Into The Teens
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35. Slide And Turn
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36. Six Of One
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37. Time Trouble
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38. 1, 2, 3, Go
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39. More 4
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40. Almost Human
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41. Two, Four, Six, Eight
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42. Round And Round
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43. Square Dancing
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44. Data Day
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45. How? What? Check!
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