Full Metal Panic? Fumoffu Episode 8: A Goddess Comes to Japan (Part 2: The Hot Spring)
Episode 8 of 12 of Full Metal Panic? Fumoffu, aired October 28, 2003, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Sousuke, Kaname, Tessa, Melissa, and their friends travel to an onsen(hot springs) for some rest and relaxation. Sousuke sets up a defensive perimeter and booby traps around the girls' bath, foiling the other boys' attempts to sneak a peek.