Rosalyn quits unexpectedly (not really) after a long night of having to deal with Calvin. Who will babysit Calvin now? Can Kim Possible really do anything? Kim and Ron are just friends in this one.

When Kim accepts a last minute babysitting job, she finds out that she may have bitten off more than she can chew when she locks horns with an irascible 6 year old named Calvin and his toy tiger, Hobbes. But things get really dicey when she's called away on an emergency mission vs. Dr. Drakken, unknowingly bringing along a tiny stowaway. A Kim Possible/Calvin & Hobbes crossover.

Calvin and Hobbes x KP crossover. It takes place between Kim's first mission in A Sitch in Time Past and Crush. Kim is settling into real missions, but still babysitting on the side . What happens when Rosalyn quits, and Kim is hired to babysit Calvin?