There's a blizzard raging outside & the girls are desperately trying to stay warm. Amidst all the chaos, who should arrive seeking shelter from the weather, but Chief Wizard Hellibore, who is in a particularly mischievous mood & pronounces the day to be an upside-down day. Everything is turned on its head; teachers and pupils change places and there are games instead of lessons!

The show’s own verdict is on its page.