All-Out Kaiju Battle Royal in Destroy All Monsters (1968)
Godzilla may roar and strut and sit atop the throne as King of Monsters, with each new cinematic journey considered a major movie-going event, but for a long time he was suffering commercial drought. Never mind how creatively inspired and exciting it is to watch most Showa-era Godzilla movies; the side effect to Toho releasing roughly one every year saw dwindling box office returns. 1962's King Kong vs Godzilla still has the highest Japanese attendance record for a Godzilla film, with over 11 million tickets sold in its first theatrical run, but later installment Ebirah, Horror of the Deep (1966) sold only 3.45 million tickets, and Son of Godzilla (1967) even less with 2.48 million. Toho saw Godzilla as a sinking ship, so went forward with another under the intentions of making it work as a possible Final Chapter. What better way to put a cap on a decade-and-a-half series and subgenre of giant monsters attacking cities and one another than with a movie featuring all the mon