Overview: Experimenters Billy and Katy visit Nina to investigate how domes are built.
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First Air Date: Jan 01, 1970Last Air date: Oct 02, 2015Season: 3 SeasonEpisode: 65 EpisodeRuntime: 15 minutesQuality: HDIMDb: 6.00 / 10 by 1 usersPopularity: 11.747Language: English