Nate's grandparents take the Wrights on an ill-fated seafaring adventure to find the rumoured lost treasure of Eewcorpico; Captain Dee Dee leads a rescue mission to save Nate and his family from the treasure's curse.

Nate continues his search for treasure, but the Curse of Ewwcorpico has other plans; washed up on an island, the rest of the crew searches for Nate while getting back to Rackleff safely looks less and less likely by the minute.

Nate and Teddy go to great lengths to get invited to hang with the cool 7th graders, but they get more than they bargained for when they find out just how much more intense middle school gets after 6th grade.

When Nate's favourite snack releases a flavor-blasted version, he can't wait to get his hands on it and rid P.S. 38 of its old vending machine in the process; when an allergic reaction sends Nate home, he returns to chaos.

Nate is excited when Martin agrees to sub for Godfrey, but his dad's behaviour soon has him longing for her swift return; Dee Dee gets cast in a commercial, but the embarrassing product has her hiding from the spotlight.

When Nate and Nolan's ongoing rivalry goes too far, they find themselves in a battle for one of Nate's most treasured possessions, his friendships; Dee Dee's shot at superstardom may just get caught in the crosshairs.

Nate skips school to enjoy a day on the town with his friends, but his freedom is short-lived when he must team up with Godfrey to get Spitsy to the vet in time for an urgent procedure.

Nate hopes to impress Jenny by setting a world record but struggles to find a feat that aligns with his talents; Jenny wants to make it to Artur's big coming-of-age celebration, but her demanding schedule interferes.

When an esteemed art critic comes to town, Nate hopes to dazzle him; however, his original characters begin to disappear one by one from his mind; Nate and friends explore his imagination to save them with some help from the past.

Hoping to put Rackleff on the map, Nate decides to create a reality show set at P.S. 38, but to stay on the air he'll need to subject his friends to a whole lot of drama.

Responsible for a grisly bug infestation, Nate resolves to raise money for an exterminator by selling Zora's beloved pierogis. Meanwhile, Martin partners with one of Nate's teachers to take care of the bugs the old-fashioned way.

During the annual 6th grade sleepover, Nate is determined to join the ranks of legendary P.S. 38 pranksters. But his plans are foiled when Randy strangely refuses to let Nate out of his sight.

When Nate finds out he's moving away he wants the people of Rackleff to remember him fondly; meanwhile, Amy's best friend tells her she's changed since leaving NYC so Amy is determined to prove her wrong.

When a dispute over a speed bump at school divides the parents, Nate and Francis' friendship is tested. Chad is Kid Principal for the day but must navigate the chaos by himself when Nichols gets put out of commission.

After Ruby invites herself over to witness a famous Wright Family Thanksgiving firsthand, Nate is forced to flip the script, desperate not to scare her off. Dee Dee mines for drama in an otherwise mundane storyline for this year's holiday pageant.

When Nate is made captain of the P.S. 38 baseball team only days before the Rackleff County Championship game, he pushes his team too hard on the path to victory; meanwhile Francis conquers a sports related phobia.

Nate is determined to win the EEW Corp science competition so he can snag the grand prize, but he is up against Nolan and his genius friends who have a few tricks up their sleeves. Francis grapples with facing his exes.

With a huge haul of Halloween candy on the line, Nate makes a bet with Teddy to prove there's no such thing as ghosts; after Principal Nichols backs into a child's bike, he tries to bury the guilt but it follows him everywhere.

Nate's excited to collaborate with Ruby on an antitrash art project, but his desperate desire to impress her may get him dumped; meanwhile, Gina and Nichols' single use product addictions spiral out of control.