The gang participates in their town's annual scavenger hunt, but the stakes are made even higher when Bingo makes a bet with Catchum that, if Catchum wins, he and Leland get the gang's clubhouse.
Catchum steals the clubhouse and Bingo's attempt to get it back results in it rolling away; Montgomery builds a robot moose named Hermie for the science fair but it's sabotaged by Catchum, causing Hermie to go on a rampage.
Woolma runs away, thinking her friends forgot her birthday, and befriends a skunk carny; The gang become detectives and search for crook Sammy the Sneak.
Montgomery's uncle Marty comes to town to shoot a movie but is framed for bank robbery; While hosting Dottie's cousin Wilton, the gang end up in a mine that's haunted by a ghost.
The gang and Catchum hunt for stories that'll make them junior reporters; Zipper and Bingo get caught in the middle of a gang of crooks hiding in the lighthouse.
Bingo's athletic pen pal Susie comes to town and thinks that Zipper is Bingo; Catchum takes over the school's parade float in a scheme to get free food.
Catchum and Leland frame the gang for slacking on a test and they plot revenge; The gang run afoul of the Pig sisters and Catchum escalates the animosity between them.
The gang start a cookie-selling business but Catchum and Leland sow discontent among them; The gang partake in winter fun while Zipper finds a rival in Officer Growler's nephew.
