Zap2it has the synopsis for episode seven up right now. I'll keep it rumor tagged, but I'm pretty sure they are a legitimate source.
Synopsis/airdate after the break!
Title: May the Best Pet Win!
Air Date: November 19, 2011
Synopsis: Rainbow Dash hosts a flying race to see who will be her pet.
Are we about to see some BARON AWESOME!?
Thanks to Telofy for the heads up!