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Season guide

Regular Show: Season 4

37 episodes Premiered Sep 30, 2012 Updated Oct 2, 2026

Regular Show Season 4 continues the overarching saga across 37 episodes, featuring the surreal misadventures of two best friends who are a blue jay. The season spans this animated, comedy, action and adventure, and sci-fi and fantasy television series. As documented by official database records, the broadcast consists of thirty-seven individual installments that further explore the ongoing narrative arc. The producti

Previously on Regular Show

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ The series features two best friends who are a blue jay.
  • ⚡ The program is classified under the genres of animation, comedy, action and adventure, and sci-fi and fantasy.
  • ⚡ The show follows surreal misadventures.
  • ⚡ The overarching saga continues into the thirty-seven episodes of the fourth season.
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Season overview

Regular Show Season 4 continues the overarching saga across 37 episodes, featuring the surreal misadventures of two best friends who are a blue jay. The season spans this animated, comedy, action and adventure, and sci-fi and fantasy television series. As documented by official database records, the broadcast consists of thirty-seven individual installments that further explore the ongoing narrative arc. The production maintains the established comedic, surreal, and genre-blending elements characteristic of the property. Viewers follow the continued escapades of the primary characters within the established setting of the series. No further plot details, character developments, or specific episodic events are available in the current source material for this specific season's narrative arc, which remains defined strictly by its episode count and overarching genre classifications within the database records.

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Season 4 Episodes

Episode Guide

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Season 4 Progress Shield

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Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

Time Saved 0.4h Skipping 1 filler episode
8%
89%
Mytharc (3): Crucial lore & season climaxes
Core (33): Character development & subplots
Side Quest (1): Standalone / filler
S4·E1 Mytharc

Exit 9B

Oct 1, 2012 · 22 min

Mordecai and Rigby must save the park after the rest of the gang are brainwashed.

S4·E2 Core

Starter Pack

Oct 8, 2012 · 11 min

Mordecai and Rigby want to stop Muscle Man from screwing with Thomas.

S4·E3 Core

Terror Tales of the Park II

Oct 15, 2012 · 22 min

While on their drive to a Halloween party, Mordecai and Rigby tells scary stories to Benson, Pops, Skips, Muscle Man, High Five Ghost and Thomas.

S4·E4 Core

Pie Contest

Oct 22, 2012 · 11 min

Mordecai and Rigby want to prove to Benson that they can be judges at the pie contest.

S4·E5 Core

150 Piece Kit

Oct 29, 2012 · 11 min

Benson wants to prove that he performed a famous drum solo.

S4·E6 Core

Bald Spot

Nov 12, 2012 · 11 min

Muscle Man wants to hide his bald spot at all costs.

S4·E7 Core

Guy's Night

Nov 19, 2012 · 11 min

Pops wants to beat the milk challenge to prove he’s one of the guys.

S4·E8 Core

One Pull Up

Nov 26, 2012 · 11 min

Rigby has never been known for his upper-body strength, so when the park employees have to go into the doctor and get their physicals, Rigby has trouble doing even one pull up, and

S4·E9 Filler

The Christmas Special

Dec 3, 2012 · 22 min

The house is decorated, the guests have arrived and it seems like it's the season to save Christmas when the gang finds themselves faced with the task of destroying a present for S

S4·E10 Core

T.G.I. Tuesday

Jan 7, 2013 · 11 min

It’s Margaret’s last night of freedom before she transfers to a new college. So Mordecai, Rigby and Eileen decide to surprise her with the biggest party of her life. What could pos

S4·E11 Core

Firework Run

Jan 14, 2013 · 11 min

After Mordecai, Rigby and Muscle Man squander the fireworks that Benson had purchased for an upcoming event at the park, the three have to go and find more to replace them before B

S4·E12 Core

The Longest Weekend

Jan 21, 2013 · 11 min

Muscle Man tries not to contact Starla for an entire weekend.

S4·E13 Core

Sandwich of Death

Jan 28, 2013 · 11 min

Benson eats a magical, deadly sandwich that Mordecai and Rigby bought, so the trio must travel with the restaurant's manager, Sensei, to find the cure.

S4·E14 Core

Ace Balthazar Lives

Feb 4, 2013 · 11 min

Mordecai and Rigby want to reunite the band Adrenaline.

S4·E15 Core

Do or Diaper

Feb 11, 2013 · 11 min

Muscle Man, Rigby and Starla are annoyed about Mordecai's awkward goodbye to Margaret so they try to get Mordecai to tell Margaret how he feels about her.

S4·E16 Core

Quips

Feb 18, 2013 · 11 min

Skips intervenes to stop his cousin's bad jokes.

S4·E17 Core

Caveman

Feb 25, 2013 · 11 min

When Mordecai and Rigby meet a caveman, they decide to put his unique prehistoric physique to good use: chugging cheese! But could this caveman actually turn out to be a Neandertha

S4·E18 Core

That's My Television

Mar 4, 2013 · 11 min

Mordecai and Rigby help their favorite '80s sitcom star, RGB2, escape from the studio lot and into the mountains so he can avoid starring in a revival of his show.

S4·E19 Core

A Bunch of Full Grown Geese

Mar 25, 2013 · 11 min

Mordecai and Rigby have to get rid of some geese that are causing problems at the park.

S4·E20 Core

Fool Me Twice

Apr 1, 2013 · 11 min

Mordecai and Rigby want to win the grand prize on a Japanese game show.

S4·E21 Core

Limousine Lunchtime

Apr 8, 2013 · 11 min

Rigby stains Mr. Maellard's expensive white limousine with a meatball sub, so the guys have to clean it before Mr. Maellard gets back from vacation.

S4·E22 Core

Picking Up Margaret

Apr 15, 2013 · 11 min

Mordecai offers Margaret a ride to the airport.

S4·E23 Core

K.I.L.I.T. Radio

Apr 22, 2013 · 11 min

Muscle Man wants a local radio station to play the song he wrote for Starla.

S4·E24 Core

Carter and Briggs

May 6, 2013 · 11 min

The guys enter a donut contest in hopes of winning a cameo on their favorite cop show.

S4·E25 Core

Skips' Stress

May 13, 2013 · 11 min

Skips has to lower his stress for health reasons.

S4·E26 Core

Cool Cubed

May 20, 2013 · 11 min

Thomas must save his brain after he chugs a slushy that freezes his brain.

S4·E27 Core

Trailer Trashed

May 27, 2013 · 11 min

Muscle Man tries to save his trailer after it fails a health inspection.

S4·E28 Core

Meteor Moves

Jun 10, 2013 · 11 min

Mordecai plans to kiss Margaret at a meteor shower.

S4·E29 Core

Family BBQ

Jun 17, 2013 · 11 min

Mordecai tries to shake hands with Margaret's father.

S4·E30 Core

The Last LaserDisc Player

Jun 24, 2013 · 11 min

The guys need to obtain a LaserDisc player in order to watch the director's cut of a cult classic.

S4·E31 Core

Country Club

Jul 1, 2013 · 11 min

Mordecai and Rigby have to rescue the golf cart from a bunch of rich people at a country club.

S4·E32 Core

Blind Trust

Jul 15, 2013 · 11 min

Benson must trust Mordecai and Rigby to help get him down a mountain.

S4·E33 Core

World's Best Boss

Jul 15, 2013 · 11 min

The park employees want to give Benson a special mug.

S4·E34 Core

Last Meal

Jul 22, 2013 · 11 min

Muscle Man wants to binge on his favorite foods before going on a diet.

S4·E35 Core

Sleep Fighter

Jul 29, 2013 · 11 min

The park guys must help Muscle Man to stop fighting in his sleep.

S4·E36 Mytharc

Party Re-Pete

Aug 5, 2013 · 11 min

Mordecai and Rigby must save Benson from an evil party company.

S4·E37 Mytharc

Steak Me Amadeus

Aug 12, 2013 · 11 min

Mordecai wants to ask Margaret to be his girlfriend.

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