Swarm of the Century

"Swarm of the Century"
My Little Pony: Friendship Is Magic episode
Fluttershy, Twilight, Rarity, and Rainbow Dash (left to right) are worried about the parasprite invasion that they inadvertently caused.
Episode no.	Season 1 Episode 10
Directed by	Jayson Thiessen James Wootton
Written by	M.A. Larson
Original air date	December 17, 2010 (2010-12-17)
Running time	22 minutes

My Little Pony: Friendship Is Magic

Equestria Toyline Cutie mark Elements of Harmony
Spin-offs My Little Pony: Equestria Girls (2013–2020)(List of animations) My Little Pony: Pony Life (2020–2021)(List of episodes)
Characters Mane Six Twilight Sparkle Rainbow Dash Pinkie Pie Applejack Fluttershy Rarity Main Supporting Spike Princess Celestia Princess Luna Princess Cadance Shining Armor Recurring Characters Discord Starlight Glimmer Cutie Mark Crusaders The Great and Powerful Trixie Zecora Antagonists Queen Chrysalis Lord Tirek Background/Fan Favorites Derpy Hooves Background Six The Wonderbolts Equestria Girls Sunset Shimmer
Seasons & episodes Season 1 (2010–2011) "Friendship Is Magic" "The Ticket Master" "Applebuck Season" "Griffon the Brush Off" "Boast Busters" "Dragonshy" "Look Before You Sleep" "Bridle Gossip" "Swarm of the Century" "Winter Wrap Up" "Call of the Cutie" "Fall Weather Friends" "Suited for Success" "Feeling Pinkie Keen" "Sonic Rainboom" "Stare Master" "The Show Stoppers" "A Dog and Pony Show" "Green Isn't Your Color" "Over a Barrel" "A Bird in the Hoof" "The Cutie Mark Chronicles" "Owl's Well That Ends Well" "Party of One" "The Best Night Ever" Season 2 (2011–2012) "The Return of Harmony" "Lesson Zero" "Luna Eclipsed" "Sisterhooves Social" "The Cutie Pox" "May the Best Pet Win!" "The Mysterious Mare Do Well" "Sweet and Elite" "Secret of My Excess" "Hearth's Warming Eve" "Family Appreciation Day" "Baby Cakes" "The Last Roundup" "The Super Speedy Cider Squeezy 6000" "Read It and Weep" "Hearts and Hooves Day" "A Friend in Deed" "Putting Your Hoof Down" "It's About Time" "Dragon Quest" "Hurricane Fluttershy" "Ponyville Confidential" "MMMystery on the Friendship Express" "A Canterlot Wedding" Season 3 (2012–2013) "The Crystal Empire" "One Bad Apple" "Magic Duel" "Spike at Your Service" "Keep Calm and Flutter On" "Games Ponies Play" "Magical Mystery Cure" Season 4 (2013–2014) "Princess Twilight Sparkle" "Power Ponies" "Three's a Crowd" "Pinkie Pride" "Filli Vanilli" "Twilight's Kingdom" Season 5 (2015) "The Cutie Map" "Slice of Life" "Amending Fences" "Crusaders of the Lost Mark" "The Cutie Re-Mark" Season 6 (2016) "A Hearth's Warming Tail" Season 7 (2017) "The Perfect Pear" Season 8 (2018) "Grannies Gone Wild" Season 9 (2019) "The Last Crusade" Series finale
Media Films & specials My Little Pony: The Movie (2017) My Little Pony: Best Gift Ever (2018) My Little Pony: Rainbow Roadtrip (2019) Music Movie Soundtrack "Rainbow" "Off to See the World" Games My Little Pony: Twilight Sparkle, Teacher for a Day Gameloft video game Collectible card game Other media Home video releases IDW comics Issues My Little Pony/Transformers
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"Swarm of the Century" is the tenth episode of the first season of the animated television series My Little Pony: Friendship Is Magic. It originally aired on The Hub on December 17, 2010. The episode was written by M.A. Larson. In this episode, Fluttershy discovers a cute creature called a parasprite, but the town of Ponyville is soon overrun when the creatures reproduce rapidly and begin devouring everything in sight.