Green Lantern: The Animated Series

Hal Jordan, a test pilot from planet Earth, is the first human being to join Green Lantern Corps, an extra galactic police force in order to keep peace and justice through the entire universe. Helped by the incredible Power Ring, the only one weapon provided by the Guardians of the Universe, an ancient and powerful extraterrestrial race and Green Lantern Corps' creators, Jordan and the Lanterns travel across planets and stars fighting evil wherever it's to protect all life-form.