Watch Mighty Joe Young (1998) HD Full Movie Free on SolarMovie. Watch Mighty Joe Young (1998) online free. A legendary fifteen-foot tall mountain gorilla named Joe is taken to an animal sanctuary in Californ...A legendary fifteen-foot tall mountain gorilla named Joe is taken to an animal sanctuary in California by zoologist Gregg O'Hara (Bill Paxton) and Jill Young (Charlize Theron), with whom he grew up. Poacher Strasser (Rade Serbedzija) returns from the past to seek vengeance on Joe.