

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?