Live from New York, it’s Dan Aykroyd! Sketches include “Garrett Morris and the National Broadcasting Orchestra,” “Mayor Koch Honors John Belushi,” the commercial parody “Autoscent,” Tomorrow, “Nerds Meet the Norge Refrigerator Repairman,” “Olympia Restaurant #4,” Tom Schiller’s Sushi By the Pool, “Paul McCartney and John Lennon Reunion,” “Danger Probe.”