The Classic Era Of Old Dr Who Covered

Fourth Doctor Episodes The Seeds Of Doom – 1976 – S12 – E6/6 Season 12, serial 6 of 6.

Compost room crusher scenes:

Watch 085 The Seeds of Doom Part 6/6 - TARDIS Archive on Dailymotion

My favorite earth metal

at 7:28 minutes and 14:02 minutes

"Of course, Chase is also remembered for his horrific use of his giant composter; which he uses to ruthlessly dispose of his enemies, by grinding them up – into garden fertilizer."

085 The Seeds of Doom by TARDIS Archive - dailymotion