Closed Door Policy

"Closed Door Policy" is an episode in the Sonic Boom television series. It first aired on 6 May 2015 in France and on 4 June 2015 in the UK.

Synopsis
When Amy realizes that Sticks is a pack rat, she forces her friend to have a garage sale to get rid of all the junk that’s accumulated in her burrow. During the sale, a secret locked door to an underground world is removed and an invading horde is set free.

Characters

 * Sonic the Hedgehog
 * Miles "Tails" Prower
 * Knuckles the Echidna
 * Amy Rose
 * Sticks the Badger
 * Fastidious Beaver
 * Lady Goat
 * Lady Walrus
 * Mayor Fink
 * Dr. Eggman

Trivia

 * This episode was originally meant to air on 22 November 2014.