1 Plus 1 Equals 5? Diana Smash Plan S29E29 - 1 Plus 1 Equals 5? Diana Smash Plan 1986
- Released: 1986-11-17
- Runtime: 50 minutes
- Genre:
- Stars: Hiroshi Watari, Makoto Sumikawa, Naomi Morinaga, Ichirou Mizuki, Shozo Iizuka, Machiko Soga, Tōru Ōhira
- Director: Takeshi Ogasawara