S05E18: Crusaders of the Lost Mark
When Pip Squeak decides to run for class president, the Cutie Mark Crusaders rally around their friend, but find themselves helping their long-time nemesis, Diamond Tiara, in an unexpected way.
Previous Episode 
Season 1
Friendship is Magic (1)
S1E1 / 10 Oct 2010
Friendship is Magic (2)
S1E2 / 22 Oct 2010
The Ticket Master
S1E3 / 29 Oct 2010
Applebuck Season
S1E4 / 05 Nov 2010
Griffon the Brush-Off
S1E5 / 12 Nov 2010
Boast Busters
S1E6 / 19 Nov 2010
Dragonshy
S1E7 / 26 Nov 2010
Look Before You Sleep
S1E8 / 03 Dec 2010
Bridle Gossip
S1E9 / 10 Dec 2010
Swarm of the Century
S1E10 / 17 Dec 2010
Winter Wrap Up
S1E11 / 24 Dec 2010
Call of the Cutie
S1E12 / 14 Jan 2011
Fall Weather Friends
S1E13 / 28 Jan 2011
Suited for Success
S1E14 / 04 Feb 2011
Feeling Pinkie Keen
S1E15 / 11 Feb 2011
Sonic Rainboom
S1E16 / 18 Feb 2011
Stare Master
S1E17 / 25 Feb 2011
The Show Stoppers
S1E18 / 04 Mar 2011
A Dog and Pony Show
S1E19 / 11 Mar 2011
Green Isn't Your Color
S1E20 / 18 Mar 2011
Over a Barrel
S1E21 / 25 Mar 2011
A Bird in the Hoof
S1E22 / 08 Apr 2011
The Cutie Mark Chronicles
S1E23 / 15 Apr 2011
Owl's Well That Ends Well
S1E24 / 22 Apr 2011
Party of One
S1E25 / 29 Apr 2011
The Best Night Ever
S1E26 / 06 May 2011
Season 2
The Return of Harmony (1)
S2E1 / 17 Sep 2011
The Return of Harmony (2)
S2E2 / 24 Sep 2011
Lesson Zero
S2E3 / 15 Oct 2011
Luna Eclipsed
S2E4 / 22 Oct 2011
Sisterhooves Social
S2E5 / 05 Nov 2011
The Cutie Pox
S2E6 / 12 Nov 2011
May the Best Pet Win!
S2E7 / 19 Nov 2011
The Mysterious Mare Do Well
S2E8 / 26 Nov 2011
Sweet and Elite
S2E9 / 03 Dec 2011
Secret of My Excess
S2E10 / 10 Dec 2011
Hearth's Warming Eve
S2E11 / 17 Dec 2011
Family Appreciation Day
S2E12 / 07 Jan 2012
Baby Cakes
S2E13 / 14 Jan 2012
The Last Roundup
S2E14 / 21 Jan 2012
The Super Speedy Cider Squeezy 6000
S2E15 / 28 Jan 2012
Read It and Weep
S2E16 / 04 Feb 2012
Hearts and Hooves Day
S2E17 / 11 Feb 2012
A Friend in Deed
S2E18 / 18 Feb 2012
Putting Your Hoof Down
S2E19 / 03 Mar 2012
It's About Time
S2E20 / 10 Mar 2012
Dragon Quest
S2E21 / 17 Mar 2012
Hurricane Fluttershy
S2E22 / 24 Mar 2012
Ponyville Confidential
S2E23 / 31 Mar 2012
MMMystery on the Friendship Express
S2E24 / 07 Apr 2012
A Canterlot Wedding (1)
S2E25 / 21 Apr 2012
A Canterlot Wedding (2)
S2E26 / 21 Apr 2012
Season 3
The Crystal Empire (1)
S3E1 / 10 Nov 2012
The Crystal Empire (2)
S3E2 / 10 Nov 2012
Too Many Pinkie Pies
S3E3 / 17 Nov 2012
One Bad Apple
S3E4 / 24 Nov 2012
Magic Duel
S3E5 / 01 Dec 2012
Sleepless in Ponyville
S3E6 / 08 Dec 2012
Wonderbolts Academy
S3E7 / 15 Dec 2012
Apple Family Reunion
S3E8 / 22 Dec 2012
Spike at Your Service
S3E9 / 29 Dec 2012
Keep Calm and Flutter On
S3E10 / 19 Jan 2013
Just for Sidekicks
S3E11 / 26 Jan 2013
Games Ponies Play
S3E12 / 09 Feb 2013
Magical Mystery Cure
S3E13 / 16 Feb 2013
Season 4
Princess Twilight Sparkle (1)
S4E1 / 23 Nov 2013
Princess Twilight Sparkle (2)
S4E2 / 23 Nov 2013
Castle Mane-ia
S4E3 / 30 Nov 2013
Daring Don't
S4E4 / 07 Dec 2013
Flight to the Finish
S4E5 / 14 Dec 2013
Power Ponies
S4E6 / 21 Dec 2013
Bats!
S4E7 / 28 Dec 2013
Rarity Takes Manehattan
S4E8 / 04 Jan 2014
Pinkie Apple Pie
S4E9 / 11 Jan 2014
Rainbow Falls
S4E10 / 18 Jan 2014
Three's a Crowd
S4E11 / 25 Jan 2014
Pinkie Pride
S4E12 / 01 Feb 2014
Simple Ways
S4E13 / 08 Feb 2014
Filli Vanilli
S4E14 / 15 Feb 2014
Twilight Time
S4E15 / 22 Feb 2014
It Ain't Easy Being Breezies
S4E16 / 01 Mar 2014
Somepony to Watch Over Me
S4E17 / 08 Mar 2014
Maud Pie
S4E18 / 15 Mar 2014
For Whom the Sweetie Belle Toils
S4E19 / 22 Mar 2014
Leap of Faith
S4E20 / 29 Mar 2014
Testing, Testing, 1, 2, 3
S4E21 / 05 Apr 2014
Trade Ya!
S4E22 / 19 Apr 2014
Inspiration Manifestation
S4E23 / 26 Apr 2014
Equestria Games
S4E24 / 03 May 2014
Twilight's Kingdom (1)
S4E25 / 10 May 2014
Twilight's Kingdom (2)
S4E26 / 10 May 2014
Season 5
The Cutie Map (1)
S5E1 / 04 Apr 2015
The Cutie Map (2)
S5E2 / 04 Apr 2015
Castle Sweet Castle
S5E3 / 11 Apr 2015
Bloom and Gloom
S5E4 / 18 Apr 2015
Tanks for the Memories
S5E5 / 25 Apr 2015
Appleoosa's Most Wanted
S5E6 / 02 May 2015
Make New Friends But Keep Discord
S5E7 / 16 May 2015
The Lost Treasure of Griffonstone
S5E8 / 23 May 2015
Slice of Life
S5E9 / 13 Jun 2015
Princess Spike
S5E10 / 20 Jun 2015
Party Pooped
S5E11 / 27 Jun 2015
Amending Fences
S5E12 / 04 Jul 2015
Do Princesses Dream of Magic Sheep?
S5E13 / 11 Jul 2015
Canterlot Boutique
S5E14 / 12 Sep 2015
Rarity Investigates!
S5E15 / 19 Sep 2015
Made in Manehattan
S5E16 / 26 Sep 2015
Brotherhooves Social
S5E17 / 03 Oct 2015
Crusaders of the Lost Mark
S5E18 / 10 Oct 2015
The One Where Pinkie Pie Knows
S5E19 / 17 Oct 2015
Hearthbreakers
S5E20 / 24 Oct 2015
Scare Master
S5E21 / 31 Oct 2015
What About Discord
S5E22 / 07 Nov 2015
The Hooffields and McColts
S5E23 / 14 Nov 2015
The Mane Attraction
S5E24 / 21 Nov 2015
The Cutie Re-Mark (1)
S5E25 / 28 Nov 2015
The Cutie Re-Mark (2)
S5E26 / 28 Nov 2015
Season 6
The Crystalling (1)
S6E1 / 26 Mar 2016
The Crystalling (2)
S6E2 / 26 Mar 2016
The Gift of the Maud Pie
S6E3 / 02 Apr 2016
On Your Marks
S6E4 / 09 Apr 2016
Gauntlet of Fire
S6E5 / 16 Apr 2016
No Second Prances
S6E6 / 30 Apr 2016
Newbie Dash
S6E7 / 07 May 2016
A Hearth's Warming Tail
S6E8 / 14 May 2016
The Saddle Row Review
S6E9 / 21 May 2016
Applejack's 'Day' Off
S6E10 / 28 May 2016
Flutter Brutter
S6E11 / 04 Jun 2016
Spice Up Your Life
S6E12 / 11 Jun 2016
Stranger than Fan Fiction
S6E13 / 30 Jul 2016
The Cart Before the Ponies
S6E14 / 06 Aug 2016
28 Pranks Later
S6E15 / 13 Aug 2016
The Times They Are a Changeling
S6E16 / 20 Aug 2016
Dungeons & Discords
S6E17 / 27 Aug 2016
Buckball Season
S6E18 / 03 Sep 2016
The Fault in Our Cutie Marks
S6E19 / 10 Sep 2016
Viva Las Pegasus
S6E20 / 17 Sep 2016
Every Little Thing She Does
S6E21 / 24 Sep 2016
P.P.O.V. (Pony Point of View)
S6E22 / 01 Oct 2016
Where the Apple Lies
S6E23 / 08 Oct 2016
Top Bolt
S6E24 / 15 Oct 2016
To Where and Back Again (1)
S6E25 / 22 Oct 2016
To Where and Back Again (2)
S6E26 / 22 Oct 2016
Season 7
Celestial Advice
S7E1 / 15 Apr 2017
All Bottled Up
S7E2 / 15 Apr 2017
A Flurry of Emotions
S7E3 / 22 Apr 2017
Rock Solid Friendship
S7E4 / 29 Apr 2017
Fluttershy Leans In
S7E5 / 06 May 2017
Forever Filly
S7E6 / 13 May 2017
Parental Glideance
S7E7 / 20 May 2017
Hard to Say Anything
S7E8 / 27 May 2017
Honest Apple
S7E9 / 03 Jun 2017
A Royal Problem
S7E10 / 10 Jun 2017
Not Asking for Trouble
S7E11 / 17 Jun 2017
Discordant Harmony
S7E12 / 05 Aug 2017
The Perfect Pear
S7E13 / 05 Aug 2017
Fame and Misfortune
S7E14 / 12 Aug 2017
Triple Threat
S7E15 / 19 Aug 2017
Campfire Tales
S7E16 / 26 Aug 2017
To Change A Changeling
S7E17 / 02 Sep 2017
Daring Done?
S7E18 / 09 Sep 2017
It Isn't the Mane Thing About You
S7E19 / 16 Sep 2017
A Health of Information
S7E20 / 23 Sep 2017
Marks and Recreation
S7E21 / 30 Sep 2017
Once Upon a Zeppelin
S7E22 / 07 Oct 2017
Secrets and Pies
S7E23 / 14 Oct 2017
Uncommon Bond
S7E24 / 21 Oct 2017
Shadow Play (1)
S7E25 / 28 Oct 2017
Shadow Play (2)
S7E26 / 28 Oct 2017
Season 8
School Daze (1)
S8E1 / 24 Mar 2018
School Daze (2)
S8E2 / 24 Mar 2018
The Maud Couple
S8E3 / 31 Mar 2018
Fake It 'Til You Make It
S8E4 / 07 Apr 2018
Grannies Gone Wild
S8E5 / 14 Apr 2018
Surf and/or Turf
S8E6 / 21 Apr 2018
Horse-Play
S8E7 / 28 Apr 2018
The Parent Map
S8E8 / 05 May 2018
Non-Compete Clause
S8E9 / 12 May 2018
The Break Up Breakdown
S8E10 / 19 May 2018
Molt Down
S8E11 / 26 May 2018
Marks for Effort
S8E12 / 02 Jun 2018
The Mean 6
S8E13 / 09 Jun 2018
A Matter of Principals
S8E14 / 04 Aug 2018
The Hearth’s Warming Club
S8E15 / 04 Aug 2018
Friendship University
S8E16 / 11 Aug 2018
The End in Friend
S8E17 / 18 Aug 2018
Yakity-Sax
S8E18 / 25 Aug 2018
Road to Friendship
S8E19 / 01 Sep 2018
The Washouts
S8E20 / 08 Sep 2018
A Rockhoof and a Hard Place
S8E21 / 15 Sep 2018
What Lies Beneath
S8E22 / 22 Sep 2018
Sounds of Silence
S8E23 / 29 Sep 2018
Father Knows Beast
S8E24 / 06 Oct 2018
School Raze (1)
S8E25 / 13 Oct 2018
School Raze (2)
S8E26 / 13 Oct 2018
Season 9
The Beginning of the End (1)
S9E1 / 06 Apr 2019
The Beginning of the End (2)
S9E2 / 06 Apr 2019
Uprooted
S9E3 / 13 Apr 2019
Sparkle's Seven
S9E4 / 20 Apr 2019
The Point of No Return
S9E5 / 27 Apr 2019
Common Ground
S9E6 / 04 May 2019
She's All Yak
S9E7 / 11 May 2019
Frenemies
S9E8 / 18 May 2019
Sweet and Smoky
S9E9 / 25 May 2019
Going to Seed
S9E10 / 01 Jun 2019
Student Counsel
S9E11 / 08 Jun 2019
The Last Crusade
S9E12 / 15 Jun 2019
Between Dark and Dawn
S9E13 / 22 Jun 2019
The Last Laugh
S9E14 / 03 Aug 2019
2, 4, 6, Greaaat
S9E15 / 10 Aug 2019
A Trivial Pursuit
S9E16 / 17 Aug 2019
The Summer Sun Setback
S9E17 / 24 Aug 2019
She Talks to Angel
S9E18 / 31 Aug 2019
Dragon Dropped
S9E19 / 07 Sep 2019
A Horse Shoe-In
S9E20 / 14 Sep 2019
Daring Doubt
S9E21 / 21 Sep 2019
Growing Up is Hard to Do
S9E22 / 28 Sep 2019
The Big Mac Question
S9E23 / 05 Oct 2019
The Ending of the End (1)
S9E24 / 12 Oct 2019
The Ending of the End (2)
S9E25 / 12 Oct 2019
The Last Problem
S9E26 / 12 Oct 2019
Tara Strong
Twilight Sparkle (voice)
Ashleigh Ball
Applejack / Rainbow Dash (voice)
Andrea Libman
Pinkie Pie / Fluttershy (voice)
Tabitha St. Germain
Rarity (voice)
Cathy Weseluck
Spike (voice)
Nicole Oliver
Princess Celestia (voice)
Michelle Creber
Apple Bloom (voice)
