King Bob falls ill with Tonsilitis, which results in him not being able to lead. To which he appoints Gus as a substitute King of the Playground during his absence. Under Gus' tenure, he enjoys his role as the King although soon tyrannises the playground as he becomes more forceful for the students and organizes time for students to meet him, including the gang, more so than Bob.
After solving a dispute between two first-grade girls, Gus starts acting more and more like King Bob, even having his hot temper and bossiness. He even institutes a cookie tax and imprisons all students who refuse or are unable to pay it and anyone who criticizes or even tries to reason with him. Because of this, more and more students are imprisoned which they then realize that Gus has turned into a tyrant. The prisoners escape and decide to dethrone him although a battle ensures from the rebels against his guards. It is apruptly cut as Bob has returned, presumably recovered, to regain his rightful place. Subsequently, he regains his royal powers from Gus, leaving him to be a regular student again. The gang quickly forgive him despite his cruel orders to them included among the students of the playground. Then King Bob asks Spinelli to be "Lord Emperor" of the west playground, much to her exhilaration.
- Dialogue Error: Spinelli mentions becoming Lord Emperor of the West Playground. As she's female, the correct title would've been "Empress", though this could be a deliberate mistake.
- Dialouge/animation error: When Gus asks for apple juice, he's given orange juice instead.
- Animation error: Right after Gus becomes king and T.J. tells the gang they should congratulate him, his eye highlights are missing and Lily's shirt has yellow stripes
- This is the first time we see someone other than King Bob rule the playground.
- This is the third appearance of King Bob.
- Peanut Butter Kid makes his first appearance, though he is unnamed. This is also the only episode where he speaks.
- The boy dressed up as a wizard also makes his first appearance. It is also the only episode where he speaks; in other episodes he just remains a cameo character.
- Jordan and Jerome, King Bob's lackeys, make their first appearances in this episode.
- The two girls fighting over one doll is a reference to The Judgement of Solomon, though accidentally, Gus lets the girl who agreed to the idea of cutting the doll in half keep it.
- Battleship Potemkin is referenced at the end of the episode with the baby carriage falling down the stairs, and The Bridge on the River Kwai with Mikey saying "Madness"
- This was the first episode to be written by Peter Gaffney.
- Mikey's statement "Uneasy [is] the head that wears [the] crown" is a direct quote from the Shakespeare play Henry IV, Part II.
- King Bob gets his tonsils out.
- Bob said Gus wouldn't "think for himself",although in "The New Kid",Gus stood up to Bob for making the other students call him "the new kid".
- T.J. Detweiler - Ross Malinger
- Vince LaSalle - Rickey D'Shon Colins
- Ashley Spinelli - Pamela Segall-Adlon
- Gretchen Grundler/First grade girl #2 - Ashley Johnson
- Mikey Blumberg - Jason Davis
- Gus Griswald - Courtland Mead
- King Bob - Toran Caudell
- Jordan/Jerome/Eric - Justin Shenkarow
- Wizard boy/Adam Able - Michael Shulman
- Peanut Butter Kid - Ryan O'Donohue
- King Bob's mom - April Winchell
- Boy #1 - Erik von Detten
- First grade girl #1 - Anndi McAfee