Overview: Supergirl finally learns the truth about Lena while tangling with Leviathan. J'onn J'onn makes a discovery about his brother's whereabouts.
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First Air Date: Oct 26, 2015Last Air date: Nov 09, 2021Season: 6 SeasonEpisode: 126 EpisodeRuntime: 42 minutesQuality: HDIMDb: 7.32 / 10 by 4155 usersPopularity: 296.624Language: English