to Oa and hold a trial in which the charges are read and the Lantern is allowed to explain their actions. If the Guardians are not satisfied by the explanation, they have a number of disciplinary options which include: Probation Personal supervision by the Guardians on Oa Temporary exile from the Lantern's homeworld Ritual Trial of Endurance (a Lantern must attempt a dangerous passage through the Anti-Matter Universe) Expulsion from the Corps Prime Duty (when Superboy-Prime was an Oan prisoner, guard duty was used for punishment) In other media Television Oa appears in the animated series Justice League. Here it appears as a rocky planet with only a single structure where the Guardians Citadel, the Central Power Battery and Green Lantern Corps are housed. Oa appears in the Duck Dodgers episode "The Green Loontern". Here, Duck Dodgers accidentally gets his hands on a Green Lantern ring and suit, and helps the last members of the Green Lantern Core fight Sinestro. Oa is one of the main locations seen in Green Lantern: The Animated Series. It is well settled, with massive skyscrapers located every where on the planet. From space the planet is seen to have two rings encircling it, one in the north and one in the south. The massive cities below give a circular appearance on the surface from space. Altogether it gives the planet an appearance of a Green Lantern Battery. Film Oa appears in the animated film Green Lantern: Emerald Knights. Oa appears in the 2011 live-action film Green Lantern. The planet has several points of green light shooting from the surface into space. It has large cities and skyscrapers covering its surface. The Guardians Citadel is one of the tallest structures, with the Guardians chamber atop it. The Central Power Battery is underground in the planet's center, and from there it sends out the points of light seen from space. The Green Lantern Corps has a large meeting chamber near the Central Power Battery. Oa appears in the animated film Justice League Dark: Apokolips War, in which the planet has been conquered by Darkseid after the Green Lantern Corps were killed. The last surviving Green Lantern is John Stewart, who attempts to recharge his ring using the Central Power Battery but is incinerated (along with the battery itself) when some of Earth's molten core is dumped onto the planet. Videogames Oa is a central hub in