Batman Temporada 3 Episódio 26

Minerva has been using her Deepest Secret Extractor, disguised as a piece of equipment at her mineral spa, to discover where her wealthiest customers hide their valuables. With this info in hand, Minerva has been able to pull off a string of robberies with ease. When Batman and Robins investigation is cut short by the villainess, butler Alfred goes undercover to help foil her criminal operations.