Watch Mummy Cop That '70s Special Full Movie Free Online 123Movies. Mummy Cop is BACK! Back in the 70s, that is! Yes, take a trip back in time with us! Back to the decade that gave us Serpico, the French Connection, Dirty Harry, and MUMMY COP! Join our hard-boiled, dry-bandaged hero as he partners with a rule-breaking loose cannon to tackle the villainous coke-dealing Phantom of the Pop Charts!