Doomsday Castle S01E07 - Escape to the Mountain

Doomsday Castle (2013)
S01E07 Escape to the Mountain
Episode Overview
Brent Sr. shows his children how to rappel down from the castle roof in case of an attack that requires a swift getaway. However, Brent II soon realizes that their foes might be lurking below. He proposes a clever alternative: a zip line. Together with Michael, Brent II explores potential routes for the zip line, while Lindsey is assigned to assist her father with preparations on the roof.