115 My Little Pony: Friendship Is Magic Look Before You Sleep 01 08 2010-12-03 Adventure / Animation / Children / Comedy / Drama / Family / Fantasy / Musical Tara Strong - Twilight Sparkle / Tabitha St. Germain - Rarity / Princess Luna / Derpy Hooves / Ashleigh Ball - Applejack / Andrea Libman - Pinkie Pie / Andrea Libman - Fluttershy / Ashleigh Ball - Rainbow Dash / Cathy Weseluck - Spike The Dragon / Mayor Mare / Kelly Sheridan - Starlight Glimmer / Nicole Oliver - Princess Celestia / Michelle Creber - Apple Bloom / Madeleine Peters - Scootaloo / Claire Corlett - Sweetie Belle / Kathleen Barr - Princess Cadence / Trixie Lulamoon / John de Lancie - Discord / Peter New - Big Macintosh / Brenda Crichlow - Zecora / Lee Tockar - Snips / Marÿke Hendrikse - Gilda / Spitfire / Ashleigh Ball - Prim Hemline / Brian Drummond - Mr. Carrot Cake / Chiara Zanni - Daring Do / Nicole Oliver - Cheerilee / Chantal Strand - Diamond Tiara / Bryanna Drummond - Babs Seed / Britt Irvin - Lightning Dust / Kazumi Evans - Rarity (Singing Voice) / Rebecca Shoichet - Twilight Sparkle (Singing Voice) / Sunset Shimmer / Shannon Chan-Kent - Pinkie Pie (Singing Voice) / Andrew Francis - Braeburn / Tabitha St. Germain - Granny Smith / Veena Sood - Ms. Harshwhinny / Trevor Devall - Hoity Toity / Cathy Weseluck - Mayor Mare During a thunderstorm, Twilight invites Applejack and Rarity to her house for a slumber party. However, the latter two have a hard time getting along after a recent argument, until an accident forces them to reconcile their differences so they can clean up the mess.