S06E21: Party Horse
An alien pod crashes onto Earth and an alien horse known as Party Horse turns to Mordecai and Rigby to help him pass a U.S. History test.
Previous Episode 
Season 1
The Power
S1E1 / 06 Sep 2010
Just Set Up the Chairs
S1E2 / 13 Sep 2010
Caffeinated Concert Tickets
S1E3 / 20 Sep 2010
Death Punchies
S1E4 / 27 Sep 2010
Free Cake
S1E5 / 04 Oct 2010
Meat Your Maker
S1E6 / 11 Oct 2010
Grilled Cheese Deluxe
S1E7 / 18 Oct 2010
The Unicorns Have Got to Go
S1E8 / 25 Oct 2010
Prank Callers
S1E9 / 01 Nov 2010
Don
S1E10 / 08 Nov 2010
Rigby's Body
S1E11 / 15 Nov 2010
Mordecai and the Rigbys
S1E12 / 22 Nov 2010
Season 2
Ello Gov'nor
S2E1 / 29 Nov 2010
It's Time
S2E2 / 03 Jan 2011
Appreciation Day
S2E3 / 10 Jan 2011
Peeps
S2E4 / 17 Jan 2011
Dizzy
S2E5 / 24 Jan 2011
My Mom
S2E6 / 31 Jan 2011
High Score
S2E7 / 07 Feb 2011
Rage Against the TV
S2E8 / 14 Feb 2011
Party Pete
S2E9 / 21 Feb 2011
Brain Eraser
S2E10 / 25 Feb 2011
Benson Be Gone
S2E11 / 28 Feb 2011
But I Have a Receipt
S2E12 / 07 Mar 2011
This is My Jam
S2E13 / 28 Mar 2011
Muscle Woman
S2E14 / 04 Apr 2011
Temp Check
S2E15 / 11 Apr 2011
Jinx
S2E16 / 18 Apr 2011
See You There
S2E17 / 25 Apr 2011
Do Me a Solid
S2E18 / 02 May 2011
Grave Sights
S2E19 / 09 May 2011
Really Real Wrestling
S2E20 / 16 May 2011
Over the Top
S2E21 / 23 May 2011
The Night Owl
S2E22 / 30 May 2011
A Bunch of Baby Ducks
S2E23 / 06 Jun 2011
More Smarter
S2E24 / 13 Jun 2011
First Day
S2E25 / 11 Jul 2011
Go Viral
S2E26 / 18 Jul 2011
Skunked
S2E27 / 25 Jul 2011
Karaoke Video
S2E28 / 01 Aug 2011
Season 3
Stick Hockey
S3E1 / 19 Sep 2011
Bet to Be Blonde
S3E2 / 26 Sep 2011
Skips Strikes
S3E3 / 03 Oct 2011
Terror Tales of the Park
S3E4 / 10 Oct 2011
Camping Can Be Cool
S3E5 / 17 Oct 2011
Slam Dunk
S3E6 / 24 Oct 2011
Cool Bikes
S3E7 / 07 Nov 2011
House Rules
S3E8 / 14 Nov 2011
Rap It Up
S3E9 / 21 Nov 2011
Cruisin'
S3E10 / 28 Nov 2011
Under the Hood
S3E11 / 12 Dec 2011
Weekend at Benson's
S3E12 / 16 Jan 2012
Fortune Cookie
S3E13 / 23 Jan 2012
Think Positive
S3E14 / 30 Jan 2012
Skips vs. Technology
S3E15 / 06 Feb 2012
Butt Dial
S3E16 / 13 Feb 2012
Eggscellent
S3E17 / 27 Feb 2012
Gut Model
S3E18 / 05 Mar 2012
Video Game Wizards
S3E19 / 26 Mar 2012
Big Winner
S3E20 / 02 Apr 2012
The Best Burger in the World
S3E21 / 09 Apr 2012
Replaced
S3E22 / 16 Apr 2012
Trash Boat
S3E23 / 23 Apr 2012
Fists of Justice
S3E24 / 30 Apr 2012
Yes Dude Yes
S3E25 / 07 May 2012
Busted Cart
S3E26 / 14 May 2012
Dead at Eight
S3E27 / 28 May 2012
Access Denied
S3E28 / 04 Jun 2012
Muscle Mentor
S3E29 / 11 Jun 2012
Trucker Hall of Fame
S3E30 / 18 Jun 2012
Out of Commission
S3E31 / 25 Jun 2012
Fancy Restaurant
S3E32 / 16 Jul 2012
Diary
S3E33 / 23 Jul 2012
The Best VHS in the World
S3E34 / 30 Jul 2012
Prankless
S3E35 / 06 Aug 2012
Death Bear
S3E36 / 13 Aug 2012
Fuzzy Dice
S3E37 / 20 Aug 2012
Sugar Rush
S3E38 / 27 Aug 2012
Bad Kiss
S3E39 / 03 Sep 2012
Season 4
Exit 9B
S4E1 / 01 Oct 2012
Starter Pack
S4E2 / 08 Oct 2012
Terror Tales of the Park II
S4E3 / 15 Oct 2012
Pie Contest
S4E4 / 22 Oct 2012
150 Piece Kit
S4E5 / 29 Oct 2012
Bald Spot
S4E6 / 12 Nov 2012
Guy's Night
S4E7 / 19 Nov 2012
One Pull Up
S4E8 / 26 Nov 2012
The Christmas Special
S4E9 / 03 Dec 2012
T.G.I. Tuesday
S4E10 / 07 Jan 2013
Firework Run
S4E11 / 14 Jan 2013
The Longest Weekend
S4E12 / 21 Jan 2013
Sandwich of Death
S4E13 / 28 Jan 2013
Ace Balthazar Lives
S4E14 / 04 Feb 2013
Do or Diaper
S4E15 / 11 Feb 2013
Quips
S4E16 / 18 Feb 2013
Caveman
S4E17 / 25 Feb 2013
That's My Television
S4E18 / 04 Mar 2013
A Bunch of Full Grown Geese
S4E19 / 25 Mar 2013
Fool Me Twice
S4E20 / 01 Apr 2013
Limousine Lunchtime
S4E21 / 08 Apr 2013
Picking Up Margaret
S4E22 / 15 Apr 2013
K.I.L.I.T. Radio
S4E23 / 22 Apr 2013
Carter and Briggs
S4E24 / 06 May 2013
Skips' Stress
S4E25 / 13 May 2013
Cool Cubed
S4E26 / 20 May 2013
Trailer Trashed
S4E27 / 27 May 2013
Meteor Moves
S4E28 / 10 Jun 2013
Family BBQ
S4E29 / 17 Jun 2013
The Last LaserDisc Player
S4E30 / 24 Jun 2013
Country Club
S4E31 / 01 Jul 2013
Blind Trust
S4E32 / 15 Jul 2013
World's Best Boss
S4E33 / 15 Jul 2013
Last Meal
S4E34 / 22 Jul 2013
Sleep Fighter
S4E35 / 29 Jul 2013
Party Re-Pete
S4E36 / 05 Aug 2013
Steak Me Amadeus
S4E37 / 12 Aug 2013
Season 5
Laundry Woes
S5E1 / 02 Sep 2013
Silver Dude
S5E2 / 02 Sep 2013
Benson's Car
S5E3 / 09 Sep 2013
Every Meat Burritos
S5E4 / 16 Sep 2013
Wall Buddy
S5E5 / 23 Sep 2013
A Skips in Time
S5E6 / 30 Sep 2013
Survival Skills
S5E7 / 14 Oct 2013
Terror Tales of the Park III
S5E8 / 21 Oct 2013
Tants
S5E9 / 04 Nov 2013
Bank Shot
S5E10 / 11 Nov 2013
Power Tower
S5E11 / 18 Nov 2013
The Thanksgiving Special
S5E12 / 25 Nov 2013
The Heart of a Stuntman
S5E13 / 02 Dec 2013
New Year's Kiss
S5E14 / 31 Dec 2013
Dodge This
S5E15 / 13 Jan 2014
Portable Toilet
S5E16 / 27 Jan 2014
The Postcard
S5E17 / 10 Feb 2014
Rigby in the Sky with Burrito
S5E18 / 24 Feb 2014
Journey to the Bottom of the Crash Pit
S5E19 / 03 Mar 2014
Saving Time
S5E20 / 10 Mar 2014
Guitar of Rock
S5E21 / 17 Mar 2014
Skips' Story
S5E22 / 14 Apr 2014
Return of Mordecai and the Rigbys
S5E23 / 21 Apr 2014
Bad Portrait
S5E24 / 28 Apr 2014
Video 101
S5E25 / 05 May 2014
I Like You Hi
S5E26 / 12 May 2014
Play Date
S5E27 / 05 Jun 2014
Expert or Liar
S5E28 / 12 Jun 2014
Catching the Wave
S5E29 / 19 Jun 2014
Gold Watch
S5E30 / 26 Jun 2014
Paint Job
S5E31 / 03 Jul 2014
Take the Cake
S5E32 / 10 Jul 2014
Skips in the Saddle
S5E33 / 17 Jul 2014
Thomas Fights Back
S5E34 / 24 Jul 2014
Bachelor Party! Zingo!!
S5E35 / 31 Jul 2014
Tent Trouble
S5E36 / 07 Aug 2014
Real Date
S5E37 / 14 Aug 2014
Season 6
Maxin' and Relaxin'
S6E1 / 09 Oct 2014
New Bro on Campus
S6E2 / 16 Oct 2014
Daddy Issues
S6E3 / 23 Oct 2014
Terror Tales of the Park IV
S6E4 / 29 Oct 2014
The End of Muscle Man
S6E5 / 30 Oct 2014
Lift with Your Back
S6E6 / 06 Nov 2014
Eileen Flat Screen
S6E7 / 13 Nov 2014
The Real Thomas: An Intern Special
S6E8 / 20 Nov 2014
The White Elephant Gift Exchange
S6E9 / 04 Dec 2014
Merry Christmas Mordecai
S6E10 / 04 Dec 2014
Sad Sax
S6E11 / 08 Jan 2015
Park Managers' Lunch
S6E12 / 15 Jan 2015
Mordecai and Rigby Down Under
S6E13 / 22 Jan 2015
Married and Broke
S6E14 / 29 Jan 2015
I See Turtles
S6E15 / 05 Feb 2015
Format Wars II
S6E16 / 12 Feb 2015
Happy Birthday Song Contest
S6E17 / 19 Feb 2015
Benson's Suit
S6E18 / 26 Feb 2015
Gamers Never Say Die
S6E19 / 05 Mar 2015
1000th Chopper Flight Party
S6E20 / 12 Mar 2015
Party Horse
S6E21 / 19 Mar 2015
Men in Uniform
S6E22 / 26 Mar 2015
Garage Door
S6E23 / 02 Apr 2015
Brilliant Century Duck Crisis Special
S6E24 / 09 Apr 2015
Not Great Double Date
S6E25 / 22 Jun 2015
Death Kwon Do-Livery
S6E26 / 23 Jun 2015
Lunch Break
S6E27 / 24 Jun 2015
Dumped at the Altar
S6E28 / 25 Jun 2015
Season 7
Dumptown U.S.A.
S7E1 / 06 Jul 2015
The Parkie Awards
S7E2 / 06 Aug 2015
The Lunch Club
S7E3 / 13 Aug 2015
Local News Legends
S7E4 / 20 Aug 2015
The Dome Experiment Special
S7E5 / 27 Aug 2015
Birthday Gift
S7E6 / 03 Sep 2015
Cat Videos
S7E7 / 10 Sep 2015
Struck by Lightning
S7E8 / 17 Sep 2015
Terror Tales of the Park V
S7E9 / 29 Oct 2015
The Return of Party Horse
S7E10 / 09 Nov 2015
Sleep Cycle
S7E11 / 10 Nov 2015
Just Friends
S7E12 / 11 Nov 2015
Benson's Pig
S7E13 / 12 Nov 2015
The Eileen Plan
S7E14 / 13 Nov 2015
Hello China
S7E15 / 30 Nov 2015
Crazy Fake Plan
S7E16 / 01 Dec 2015
Win That Prize
S7E17 / 02 Dec 2015
Snow Tubing
S7E18 / 03 Dec 2015
Chili Cook Off
S7E19 / 05 Mar 2016
Donut Factory Holiday
S7E20 / 12 Mar 2016
Gymblonski
S7E21 / 19 Mar 2016
Guys Night 2
S7E22 / 26 Mar 2016
Gary's Synthesizer
S7E23 / 02 Apr 2016
California King
S7E24 / 09 Apr 2016
Cube Bros
S7E25 / 16 Apr 2016
Maellard's Package
S7E26 / 23 Apr 2016
Rigby Goes to the Prom
S7E27 / 05 May 2016
The Button
S7E28 / 12 May 2016
Favorite Shirt
S7E29 / 19 May 2016
Marvolo The Wizard
S7E30 / 26 May 2016
Pops' Favorite Planet
S7E31 / 02 Jun 2016
Pam I Am
S7E32 / 02 Jun 2016
Lame Lockdown
S7E33 / 09 Jun 2016
VIP Members Only
S7E34 / 16 Jun 2016
Deez Keys
S7E35 / 23 Jun 2016
Rigby's Graduation Day Special
S7E36 / 30 Jun 2016
Season 8
One Space Day at a Time
S8E1 / 26 Sep 2016
Cool Bro Bots
S8E2 / 26 Sep 2016
Welcome to Space
S8E3 / 27 Sep 2016
Space Creds
S8E4 / 27 Sep 2016
Lost and Found
S8E5 / 28 Sep 2016
Ugly Moons
S8E6 / 29 Sep 2016
The Dream Warrior
S8E7 / 30 Sep 2016
The Brain of Evil
S8E8 / 03 Oct 2016
Fries Night
S8E9 / 04 Oct 2016
Spacey McSpaceTree
S8E10 / 05 Oct 2016
Can You Ear Me Now?
S8E11 / 06 Oct 2016
Stuck In an Elevator
S8E12 / 07 Oct 2016
The Space Race
S8E13 / 10 Oct 2016
Operation: Hear No Evil
S8E14 / 11 Oct 2016
Space Escape
S8E15 / 12 Oct 2016
New Beds
S8E16 / 13 Oct 2016
Mordeby and Rigbecai
S8E17 / 14 Oct 2016
Alpha Dome
S8E18 / 20 Oct 2016
Terror Tales of the Park VI
S8E19 / 27 Oct 2016
The Ice Tape
S8E20 / 03 Nov 2016
The Key to the Universe
S8E21 / 10 Nov 2016
No Train No Gain
S8E22 / 17 Nov 2016
Christmas in Space
S8E23 / 01 Dec 2016
Kill 'Em with Kindness
S8E24 / 14 Jan 2017
Meet the Seer
S8E25 / 14 Jan 2017
Cheer Up Pops
S8E26 / 16 Jan 2017
A Regular Epic Final Battle (1)
S8E27 / 16 Jan 2017
A Regular Epic Final Battle (2)
S8E28 / 16 Jan 2017
J.G. Quintel
Mordecai / Hi Five Ghost (voice)
William Salyers
Rigby (voice)
Mark Hamill
Skips (voice)
Sam Marin
Benson / Pops / Muscle Man (voice)
Matthew Mercer
Chance Sureshot / Recap Robot (voice)
