Little Pete is grounded when a home experiment backfires, ruining Dad's much-cherished lawn.

The Petes answer a pay phone that has been ringing for 27 years, but that no one else has had the courage to pick up.

While Little Pete mourns the death of his lizard, Big Pete tries to bridge the communication gap with his dad.

On the day that Daylight Saving Time ends in the fall, the Petes celebrate the extra hour by taking advantage of the "time warp" to do something momentous. This year, however, Big Pete is overcome by hormones and asks Ellen out on an official date. He enlists the help of his nemesis, "Endless" Mike Hellstrom, to help the date go smoothly. Mike lends Big Pete his customized Ford Mustang convertible and teaches him the nuances of dating. When things don't work out right, Big Pete is forced to use the power of the time warp to fix things with Ellen before their friendship is lost forever.

The brothers Pete come to the rescue of fellow trick-or-treaters when the Pumpkin Eaters threaten to ruin Halloween for Wellsville.

Little Pete notices that all his underwear has been examined by Inspector 34, whom he believes to be his guardian angel.

Jealous of Little Pete's relationship with Artie, Little Pete's dad tricks Artie into leaving Wellsville.

Without Artie's help, Little Pete must believe in himself to overcome a foe.

The Petes are entrusted with the key to the house while Mom and Dad go away on a trip for two days. Just when it looks like their plan to stage the ultimate bicycle race around the house (The Wrigley 500) is about to materialize, Big Pete is struck by hormones and instead chooses to vie for the attention of his latest sweet-heart, Margie Corsall. Little Pete sells the house in retaliation to the nicest family ever, the Krechmars. Big Pete tries to set things right with his brother and they attempt to regain ownership of the house before Mom and Dad return.

Little Pete's lucky penny runs out of luck one day, so he, Nona, Monica, and Wayne set out on a journey to recharge it by letting the Midnight Express run over it. Pit Stain, Little Pete's arch nemesis, and his henchmen (Hair Net & Drawstring) catches on and tails them, and Pete is forced to battle Pit Stain without the power of his lucky penny. Parody of Stand By Me.

Big Pete tries to obtain the coveted position of Senior Lifeguard while Little Pete fights to abolish the hated Adult Swim. Big Pete is forced to choose between the power of the lifeguard chair and his friendship with his brother.

Little Pete attends his first school dance and Big Pete develops a crush on the lead singer of the hired band (Luscious Jackson). Pit Stain learns of Little Pete's fear of dancing and tries to exploit it, and Nona tries to avoid the embarrassment of dancing with her "Pop," (Iggy Pop) who takes the stage and sings a song for her.

Spring fever hits Wellsville hard and everyone begins dropping like flies. Big Pete is smitten by a star member of the tennis team, Ellen realizes her true feelings for him, and Pit Stain is head over heals for Nona. Little Pete falls for Eunice Puell, the mail lady, despite his most sincere efforts to avoid love through his mantra, "Love bites." Nona is the last to go, finally falling for Little Pete. The results of this immense love web build toward a climax.

It's April 1st and little Pete has planned the best April Fool's joke ever. With the help of Nona, Monica the KrebScout, Wayne, and surprisingly, Pit Stain and his cronies, he pulls off the mother of all pranks. The butt of his joke? Principal Swinger and a group of eight singers that come to the school annually to promote hygiene.