An action comedy including parodies of tokusatsu monster/hero genre, such as "Godzilla" and "Ultraman." A time-space conditioner from the future, Miraiman, suddenly appears before the Nohara family, and he requests the family to fight against giant monsters who appear from time-space distortion one after another, in order to save the world from destruction. Every time monsters appear, Shinnosuke's parents, father Hiroshi and mother Misae go to the world three minute later, transform themselves into righteous heroes and defeat them within the time limit of three minutes. Hiroshi and Misae become wrapped up in getting rid of monsters, and Misae stops doing the housework. Then, a strong monster appears, and he cannot be defeated within three minutes. Shinnosuke rises up against the monster.

An action comedy film based on the "duplicating humans' invasion" setting derived from Jack Finney's Sci-Fi novel "The Body Snatchers", combining Sci-Fi horror-like story and dance (samba). An authority on biotechnology and a developer of "konjaclone" technology, Amigo Suzuki carries out "Transformation Plans for Samba World", in which he makes human clones using konjac as a material and makes them dance a samba. In Kasukabe city, people switch places with false ones who look just like the real persons. The Nohara family and the members of Kasukabe Defense Forces try to escape from Kasukabe with the help of a mystery beautiful girl Jacqueline Feeney (Jackie).

A slapstick comedy on a bomb uproar, and a touching story about the ties between the Nohara Family and their dog Shiro. A film in the musical style including the scenes with inserted songs. When the Nohara Family enjoy a trip to Okinawa, a strange object like a flying saucer becomes stuck with Shiro's bottom. That is a special bomb dropped by "The Only Buttocks Aliens," and it has the power to destroy the whole earth. The space monitoring center "UNTI" (Unidentified Nature Team Inspection) begins to pick up the bomb, but a female terrorist group "Hinageshi Opera Company" tries to get the bomb and disturbs UNTI's work.

An unaired episode bundled with the seventh Blu-ray volume of the Amanchu! anime series.