Early satirical variety show still packs a punch
“The Great American Dream Machine” was an irreverent, satirical weekly variety show aired nationally on PBS for two seasons from 1971-1972. The show was unlike any ever seen on public television and seemed to bask in controversy during the pre-Watergate era. Chevy Chase, Albert Brooks, Penny Marshall, Henry Winkler, Andy Rooney, Tiny Tim, David Steinberg, and Charles Grodin honed their comic talents on this show and went on to greater fame on television and the movies. Humorist and commentator Marshall Efron hosted. A combination of humorous skits, drama, musical performances and political commentary, the program was considered public TV’s first prime-time hit and inspired such later shows as “Saturday Night Live,” “The Daily Show,” and “The Colbert Report.”<br /><br />Produced by WNET in New York, “The Great American Dream Machine” was called the “intellectual ‘Laugh-In’” and reflected a growing counterculture, poking fun at politics, mass culture, advertising, and television itself with cleverly written sketches and wide-ranging vignettes. The show was born at a time in public television when producers were encouraged to explore new ways to use the medium, to be spontaneous, to stun, shock, amuse, annoy, and give viewers a different way of seeing the world. Because it ran on PBS, its creators were not beholden to sponsors, which enabled ordinarily taboo subjects to be covered. The war in Vietnam and the Nixon White House were frequent targets of the program’s satire.<br /><br />The 4-disc box set contains close to 13 hours of comedy and opinion, including Marshall Efron’s “Lemon Pie From Scratch” sketch, Albert Brooks’ “School for Comedians,” Andy Rooney’s pre-“60 Minutes” opinion segments, Chevy Chase’s “Singing Faces” mime, “Great American Weather Days” — a Dream Machine-style weather forecast with a glance back at some of the greatest days in U.S. weather history — a “Great American Hero” profile of daredevil Evel Knievel, and Elaine Stritch performing Stephen Sondheim’s “Here’s to the Ladies Who Lunch.”
The movie title "The Great American Dream Machine," available on Movies & TV, has received an average rating of 4.6 from 25 reviewers. 
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The additional details include the following in key-value format :
 {"Product Dimensions": "0.7 x 7.5 x 5.4 inches; 12.32 Ounces", "Director": "Colin Higgins", "Media Format": "Multiple Formats, NTSC, THX", "Run time": "10 hours and 50 minutes", "Release date": "October 20, 2015", "Actors": "Chevy Chase, Albert Brooks, Andy Rooney, Marshall Efron", "Studio": "S'More Entertainment", "Country of Origin": "USA", "Number of discs": "4"}

Here is a brief synopsis of the title : The Great American Dream Machine was a weekly satirical variety television series, produced in New York City by WNET and broadcast on PBS from 1971 to 1973. The program was hosted by humorist and commentator Marshall Efron. Other notable cast members included Chevy Chase and contributors included Albert Brooks and Andy Rooney. The show centered on skits and satirical political commentary. The hour and a half long show usually contained at least seven different current event topics..