Magical Pokaan
The Spell of Reticence is Having Fun with English Conversation / A Pinch Spell is the Other Side of (1x11)
:
A. The girls play a "speaking English" game hosted by Keimie and a mess-up has them drinking the bad-tasting Natto drink.
B. The girls see Dr. K-Ko on a TV show explaining her theory that horror movie monsters existing amongst the human race. When the co-host of the TV show ends up discovering the girls' secret thanks to footage used by Dr. K-Ko, the girls end up arguing to defending themselves against K-Ko on a TV talk show.