Beware of Earmuffs!
- Episode aired Apr 21, 1982
- Not Rated
- 25m
On a class field trip, Ataru journeys to an underwater kingdom; and Ataru, Lum, Shinobu and Mendou get lost in a cave.On a class field trip, Ataru journeys to an underwater kingdom; and Ataru, Lum, Shinobu and Mendou get lost in a cave.On a class field trip, Ataru journeys to an underwater kingdom; and Ataru, Lum, Shinobu and Mendou get lost in a cave.