The Great Elf Invention Convention (S01E37)

S01E01 The First Day S01E01 Rock and Ride! S01E02 Monster Babies S01E02 The Reeking Reign of the Head Cheese (1) S01E03 Chocolate Money Badgers S01E03 The Reeking Reign of the Head Cheese (2) S01E04 Saxophone Come Home S01E04 We Don't Need No Stinkin' City S01E05 Pajama Pajimjams S01E05 A Mouse and His Motorcycle S01E06 Oscar & Hedgehog's Melody S01E06 Test of Friendship S01E07 The Masked Motorcyclist S01E07 Feeling Spacey S01E08 The Pits S01E08 Ghost the Boy S01E09 Road Ravens S01E09 Computer Vampire S01E10 A Scent, a Memory, a Far Distant Cheese S01E10 The Basketball Liaries S01E11 Steelfinger S01E11 Popular Banana Split S01E12 Chill Zone S01E12 Time Traveling Quick Pants S01E13 Hard Rock S01E13 It's My Party S01E14 Moon Problems S01E15 Monster Visit S01E16 Ice Cream Headache S01E17 Pepper's Blanket Is Missing S01E18 Hedgehog Werewolf S01E19 Mr. Softball S01E20 Fuzzy Pink Time Babies S01E21 Cosmic Bupkiss S01E22 Radio Silence S01E23 Director's Cut S01E24 The Haunted Campfire S01E25 I Heart Heartforde S01E26 Space Invasion S01E27 Momsoon S01E28 Sneeze Guard S01E29 Susie's Fantastical Scavenger Hunt S01E30 Mop Forever S01E31 Pajamas Party S01E32 The Soundhouse S01E33 Puff Paint S01E34 Susie Appreciation Day S01E35 Campers Above the Bed S01E36 Midnight Quittance S01E37 The Great Elf Invention Convention S01E38 Twelve Angry Hedgehogs S01E39 Spell Crushers S01E40 The Library