Ataru and Mendou get locked in the latter's giant safe, where they slowly go mad when the place starts flooding and they try to out-survive each other.
| Title | Great Vault! Courageous Survival! |
|---|---|
| Genres | Animation Comedy Sci-Fi & Fantasy Drama |
| Release Date | 1984-02-15 |
| Episode Runtime | 00 Hours 26 Minutes |
| Season Number | 1 |
| Episode Number | 123 |
| Production Companies | Pierrot, Studio Deen, Kitty Films |
