Mysterious Theater was a series of segments shown on Sesame Street, starting in Season 21 (1989). The segment was a parody of the PBS series Mystery!, from the opening title art (referencing the Edward Gorey-designed Mystery! titles) to spoofing the show's former host Vincent Price as Vincent Twice. In contrast to the anthology format of Mystery!, "Mysterious Theater" exclusively featured Sherlock Hemlock and his faithful dog, Watson. The skits were rerun until the late-1990s. The theme music was composed by Dave Conner.