King of the Castle
- Episode aired Jun 22, 2019
- TV-Y7
- 11m
![Ben 10 (2016)](https://m.media-amazon.com/images/M/MV5BNWZiM2Q1MzYtMDc5Zi00Y2YzLTkxODktNzM0NGM5NzhkMWU3XkEyXkFqcGdeQXVyMTMwNTg5NDc0._V1_QL75_UX190_CR0,2,190,281_.jpg)
Ben, Gwen, and Grandpa Max next travel to Castle Bishopbrook to visit a distant relative who's royalty, but when Ben encounters a "ghost" at the haunted home, it turns out to actually be his... Read allBen, Gwen, and Grandpa Max next travel to Castle Bishopbrook to visit a distant relative who's royalty, but when Ben encounters a "ghost" at the haunted home, it turns out to actually be his new rival, Kevin 11, throwing even more twisted aliens his way: Thornblade, Undertow, and... Read allBen, Gwen, and Grandpa Max next travel to Castle Bishopbrook to visit a distant relative who's royalty, but when Ben encounters a "ghost" at the haunted home, it turns out to actually be his new rival, Kevin 11, throwing even more twisted aliens his way: Thornblade, Undertow, and Dark Matter!