Time Walker
A 1982 horror movie starring Ben Murphy.
A sarcophagus containing a mummy is discovered in Egypt and brought back to a university for study. A student finds crystals inside and steals them to sell to other students. Meanwhile, attempts to x-ray the mummy revive it and unleash a lethal fungus. The mummy goes on a killing spree in search of the stolen crystals. But is it really a mummy?
For the Mystery Science Theater 3000 version, shown under the title Being From Another Planet, please go to the episode recap page.