Connections

Parts of this sequel are made up of clips from the first one.

This movie, AKA Reefer Madness, is featured on a TV in the film.

Character wears a DBD2 T-shirt

The story of Caligari is told by one of the characters - a major plot point.

Character whistles theme from Superman (1941).

A Blood Shack (1971) video box appears on a table