As Miss Beelzebub Likes It. S01 E07 The Pandemonium Baths Are Great. You Should Visit. / I Want to Learn More...

The members of Pandemonium are not getting enough exercise, so they decide to build a gym, but when it comes time for the opening ceremony, Beelzebub and the others find themselves staring at a Japanese-style bath instead. Since the facility already exists, they might as well get in… Later on, Beelzebub learns more about Mullin and the pet he keeps at home.