Dooley and M.A.R.T.I.E. head up with Nick and Maxx and a foursome of "pirates" on a treasure hunt. Each of the clues reminds them of past adventures.
Dooley and M.A.R.T.I.E. have blundered, making them regret being different from the Earthlings. That prompts the kids to pretend they are aliens to demonstrate to Dooley and M.A.R.T.I.E. that it's ok to be different but yet all the same.
Maxx is in a grumpy mood and it soon spreads to everyone. Dooley watches, dismayed, sure his friends are catching and passing on an illness called "the grumpies." By the end of the day, the group learns that dealing openly with bad feelings helps resolve them faster.
Maxx and Chris argue over who gets to choose what to watch on DooleyVision. Dooley and the kids help them work out a compromise so everyone can have fun.