Overview: Mental health crisis among U.S. kids. Then, Iceland’s lava fields after volcanic eruptions. And, How dogs evolved to be man's best friend.
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First Air Date: Sep 24, 1968Last Air date: Oct 07, 2024Season: 57 SeasonEpisode: 913 EpisodeRuntime: 44 minutesQuality: HDIMDb: 6.63 / 10 by 66 usersPopularity: 204.232Language: English