Foster goes to check on Sheila and finds the basement empty, and then himself discovers the secret lair where Sheila has been bound and gagged by the Purple Monster who orders his henchmen to dispose of her and destroy the observatory once he escapes.
Foster goes to check on Sheila and finds the basement empty, and then himself discovers the secret entrance. Sheila is once again tied up and gagged by the Purple Monster who orders his henchmen to dispose of her and destroy the observatory once he escapes.