4x1 - The Boys are Back in Town

February 17, 2014

Jack and Milton return to Seaford and discover that Rudy has opened an impressive two-story dojo in a new mall and Phil has opened a bowling alley, and Jerry is the new manager. While Jerry faces Rudy in a bowling match after making Phil's customers go away, Jack and Milton return to Washington D.C. to stop Shane, who is revealed to be a double agent.

4x2 - Gold Diggers

February 24, 2014

Jack, Milton and Rudy discover a gold mine on Rudy's inherited seemingly worthless piece of land, But fight on who gets most of the gold. Meanwhile, Jerry helps Phil achieve the dreams he've always wanted.

4x3 - From Zeroes to Heroes

March 3, 2014

Milton, Jerry and Joan create their own highly-stylized martial arts video. Jack and Rudy take Izzy to a baseball game, but it becomes chaotic when fans try to chase him when Izzy causes Seaford to lose the chance of becoming World Champion.

4x4 - The Stang

March 10, 2014

4x5 - Nerd With a Cape

March 31, 2014

4x6 - RV There Yet?

April 7, 2014

4x7 - Invasion of the Ghost Pirates

April 14, 2014

4x8 - That Amazing Krupnick

June 16, 2014

4x9 - The Battle of Seaford Hill

June 23, 2014

4x10 - Fight at the Museum

June 30, 2014

Milton and Jerry volunteer at the Seaford History Museum in an attempt to win over the same girl but when they discover the museum is being robbed and the girl of their dreams is in danger, they have to work to save her and the museum.

4x11 - Tightroping the Shark

July 18, 2014

4x13 - Martinez & Malone: Mall Cops!

July 28, 2014

When Jerry quits his job at the bowling alley, he joins Joan as a mall cop, but the two are faced with the unexpected when the mayor's son is captive. Meanwhile, Jack and Milton have a speed walking race at the park.

4x14 - Seaford Hustle

August 4, 2014

Milton fears his dreams of going to Oxbridge University are ruined until he meets Tom, the president of a powerful brotherhood that can help him. Meanwhile, Jack is mad at Jerry for ignoring a call from Kim that he was expecting.

4x15 - Kickin It in the Office

November 17, 2014

A documentary crew comes to film the dojo for a day, and Rudy takes advantage to make himself look good. Jack, angry that Rudy won't give him the sensei test, retaliates by convincing Rudy's grandmaster to fake being a fraud, demoting Rudy back to white belt. But Jack discovers that running the dojo is hard work. Meanwhile, after Jerry pranks him one time too many, Milton goes too far with pranks, not only on Jerry, but on the camera crew as well.

4x16 - Bringing Down the House

March 4, 2015

The gang accidentally infest a boys' club with termites, and need to raise ,000 in order to pay to have the club fixed.

4x17 - You Don't Know Jack

March 11, 2015

When Jerry disrespects Jack’s authority as a sensei and throws an unauthorized party at the dojo, Jack suspends him from taking his black belt test.

4x18 - The Grandmaster

March 25, 2015

Kim returns from Japan with her sensei, Tomo, who’s interested in hiring Rudy for a position at the prestigious Otai.