The ancient evil and enemy of Celestia, Discord, has escaped from his stone prison, and the ponies must together gather the Elements of Harmony again to stop him. Discord promise to give the Elements back, but first they have to succeed in a challenge - on his rules.
Chaos is all around in Equestria after Discord settles down in Ponyville. Twilight does her best to rally the other ponies to together unite, find and use the Elements of Harmony to defeat Discord.
Hyper-organized Twilight panics when she can't find a lesson about friendship for her weekly letter to Princess Celestia.
The macabre celebrations of Nightmare Night have just started when Princess Luna herself shows up in Ponyville, trying to change her frightening public image. But having been banished to the moon for 1000 years seem to have affected her ability to get in touch with the common ponies, and it'll prove to be hard to convince everyone that she's changed.
When Sweetie Belle have to stay at her sister, Rarity, for a week, things get a bit tense. When Rarity refuses to participate in a rough and tumble celebration of sisterly unity simply because it's 'dirty', Sweetie Belle takes off.
Apple Bloom finally gets her Cutie Mark! But then joy turns to panic as she gets a second, then a third, then a dozen cutie marks.
Feeling let out when all her friends have a pet, Rainbow Dash hosts a competition to see who will be her pet.
Rainbow Dash rises to stardom when her heroic acts continue to save the day. But when her boasting starts to go overhand, a new hero suddenly emerges, and the Mysterious Mare Do Well starts stealing Rainbow Dash's thunder.
On a visit to Canterlot, Rarity postpones travelling home in favor of building important business and social connections with the top of the society in Canterlot. But when this collides with Twilight Sparkle's birthday, she have to choose.
It's Spike's birthday, and he receives a lot of presents from all his friends. But his appreciation soon turns to greed, which escalates to an obsession to hoard everything available. Everything. Now his friends will have to save him from this downward spiral to prevent him from becoming a full fledged monster.
In the most important play of the season, the six friends are selected by Celestia to put on the Herath's Warming Eve's holiday pageant which tells the story of how the unicorns, peagsus and earth ponies put aside their differences to eventually found Equestria.
As Family Appreciation Day arrives, Apple Bloom does everything imaginable to prevent Granny Smith from embarrass her by speaking in her class.
Pinkie Pie loves to play with the newborn twins, Pound Cake and Pumpkin Cake. But when the Cakes desperately need a babysitter, Pinkie Pie realizes that actually babysitting them is much tougher than she thought, and not just more time to play.
Applejack travels to Canterlot for a competition, but something goes wrong and her friends need to find out what happened and how it can be fixed.
The Flim Flam brothers challenge the Apples to a Cider Making Contest for the farm.
Rainbow Dash discovers the joys of reading when staying in a hospital.
After finding out that Cheerilee doesn't have a special someone to spend Hearts and Hooves Day with, the Cutie Mark Crusaders try to hook her up with Big Macintosh, believing that they are perfect for each other. When their plan to get them together fails, they decide to use a love potion on them, which does too good of a job as Cheerilee and Big Macintosh spend every single moment with each other.
Pinkie Pie takes pride in being friends with everyone in Ponyville. So, when Cranky Doodle Donkey moves into town, the pink pony naturally sets out to befriend him. When Pinkie Pie's default friend-making strategies fail to capture his camaraderie, she must pull out all the stops or risk being friends with almost everyone in Ponyville.
When Fluttershy becomes tired of being pushed around for too long, she decides to seek some assertiveness training from self-help guru Iron Will. With the help of her new teacher, she quickly transforms her unsure ways.
Twilight receives a warning from her future self and drives herself crazy with worry.
Spike joins the Great Dragon Migration to discover his true identity, but it might not be what he really needs.
Rainbow Dash is looking to break the wing power record for the tornado necessary to funnel water into Cloudsdale to make clouds. However, she needs everypony's help to do it, which is a hard requirement to reach when Fluttershy is so nervous about flying to perform.
The Cutie Mark Crusaders' latest efforts to find their cutie marks leads them to the school paper. As reporters under the pseudonym "Gabby Gums", the three fillies write a gossip column that reveals all of Ponyville's juiciest secrets. However, disrespecting others' privacy comes with a heavy cost: a guilty conscience and the mistrust of all their friends.
Pinkie Pie fails to protect a contest-bound cake she is guarding during its delivery to Canterlot. An investigation begins to catch the cake-crumbling culprit.
Twilight Sparkle's brother, Shining Armor, prepares to wed Princess Celestia's niece, Princess Cadence.
Twilight Sparkle discovers a dark secret regarding her brother's fiancée, Princess Cadence, shortly before the wedding take place.