The fate of the planet in the hands of Larry, Moe and Curly Joe? That's exactly the situation the trio finds themselves in when they befriend a wacky scientist and must defend his secret invention from a pair of malevolent Martians. Sight gags, slapstick and plenty of nyuks abound as the Stooges bumble their way through an adventure of intergalactic proportions.

三个臭皮匠与发明家斯凯勒和他的女友黛安一起乘坐新发明的时光机前往古希腊。在那里，邪恶的暴君奥迪斯看上了黛安，并以三个臭皮匠帮助叛军领袖尤利西斯逃跑为借口，将他们奴役为划船手。划船的艰苦训练使斯凯勒成为了一名肌肉男，其力量堪比奥迪斯雇佣的赫拉克勒斯本人。这三人想出了一个主意，通过宣传斯凯勒扮演赫拉克勒斯参加一系列体能比赛来筹集资金。

The Stooges are janitors working at a space center who accidentally blast off to Venus. They encounter a talking unicorn, a giant fire breathing tarantula, and an alien computer who has destroyed all human life on the planet and creates three evil duplicates of the Stooges. When the boys return home triumphant, they are given a hero's welcome.