THERE'S A MONSTER IN THEM THAR WOODS!

It's back to France to exorcise a possessed convent and tear down a wall.

Past guests, puppet and human, reunite to honor the late Professor, however they soon learn some dark news.

This one's got it all! Hippos! Sworn enemies! TNT! Yes sir, it's an absolute rip-roaring start to yet another perfectly normal season in which everything is exactly as it seems.