Photo of Simon S. Sheen Simon S. Sheen

Simon S. Sheen in 3 Ninjas: Knuckle Up

3 Ninjas: Knuckle Up

1995 PG-13

In this third installment in the series, the brothers are again spending the summer with their grandfather, a former martial-arts master, when they band together to help an Indian boy stop a businessman from dumping toxic waste on the tribe's land.