Tonton Streaming The Fantastic Four (1967) S1E15 - Galactus

Another Sun suddenly appears in the sky, which soon disappears and gives way to millions of floating rocks in the sky. A being known as the Watcher appears to the team and tells them that he caused the illusions, trying to hide the Earth from the Silver Surfer, a being who serves Galactus, who drains planets of their energy.