Gravity Falls Season 2 Episode 15 The Last Mabelcorn ( Air Date 2015-09-07 ) Genre Animation, Comedy, Mystery, Sci-Fi & Fantasy, Kids, Action & Adventure, Family category. Overview "A new threat leads Mabel to venture into the enchanted realm of the unicorns. Meanwhile, Dipper learns an unexpected twist about the enigmatic Bill Cipher.".
Gravity Falls Season 2 Episode 15 The Last Mabelcorn
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- Watch: Gravity Falls Season 2 Episode 15 The Last Mabelcorn on CWR-CRB
- Stars: Jason Ritter, Kristen Schaal, Alex Hirsch, Linda Cardellini
- Director: Joe Pitt, Mike Rianda
