Doomsday Castle (2013)

S1E3 Water from a Stone

A military specialist arrives to instruct the family on defending their castle in its current state. United by a common goal, they attempt to create a solar-powered water system. However, conflicts arise when miscommunication hampers their teamwork. As frustrations mount, their military training is put to the test, culminating in a simulated ambush that challenges the family’s resolve and capacity to work together under pressure.