“Jaws” (1975) -- The first official summer blockbuster was this, the adventure- thriller tale of a great white shark haunting the beach shores of Amity. Directed by Steven Spielberg with Roy Scheider, Richard Dreyfuss and Robert Shaw. Grade: A+

“Raiders of the Lost Ark” (1981) -- Harrison Ford is Indiana Jones, a college pro- fessor and archaeologist who gets the task of finding the Ark of the Covenant. Also with Karen Allen, John Rhys- Davies and Paul Freeman. Grade: A+