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Billy Dilley’s Super-Duper Subterranean Summer is available on Disney Plus in the following countries:

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Billy Dilley’s Super-Duper Subterranean Summer poster image
Billy Dilley’s Super-Duper Subterranean Summer (2017)
⭐ 5.3/10
3 votes
1 Season 25 Episodes

Genres

Animation
Comedy
Kids

The adventures of science-obsessed Billy Dilley and his lab partners Zeke and Marsha

IMDb+ Watchlist