Urusei yatsura Beware of Earmuffs! (1981–1986) Online
- Original Title :
- Beware of Earmuffs!
- Genre :
- TV Episode / Animation / Comedy / Romance / Sci-Fi
- Year :
- 1981–1986
- Directror :
- Tamiko Kojima,Mamoru Oshii
- Cast :
- Fumi Hirano,Toshio Furukawa,Saeko Shimazu
- Writer :
- Rumiko Takahashi,Masaki Tsuji
- Type :
- TV Episode
- Time :
- 23min
- Rating :
- 6.5/10
On a class field trip, Ataru journeys to an underwater kingdom; and Ataru, Lum, Shinobu and Mendou get lost in a cave.
| Episode credited cast: | |||
 | Fumi Hirano | - | Lum (voice) |
 | Toshio Furukawa | - | Ataru Moroboshi (voice) |
 | Saeko Shimazu | - | Shinobu (voice) |
 | Kazuko Sugiyama | - | Ten-chan (voice) |
 | Ichirô Nagai | - | Cherry (voice) |
 | Ken'ichi Ogata | - | Ataru's Father (voice) |
| Natsumi Sakuma | - | Ataru's Mother (voice) |
 | Akira Kamiya | - | Mendou (voice) |
| Rest of cast listed alphabetically: | |||
| Makoto Ataka | - | Dappya Monster (voice) |
 | Shigeru Chiba | - | Megane (voice) |
 | Issei Futamata | - | (voice) |
| Shiori | - | (voice) |
| Tarako | - | (voice) |