The film stars numerous celebrities as fictionalized versions of themselves, including Eugene Levy, Lorne Greene, Leslie Nielsen, William Shatner, Margot Kidder, Dave Thomas, John Candy, Anne Murray and Tommy Chong.
News anchor Edwin Newman states that the unprecedented report is the result of two years of investigations, and advises viewer discretion due to its shocking nature.
Archival film clips show Canadian pioneers in early Hollywood as influential figures; what kept them from totally blending in was their "fanatical sense of national identity", including an intolerance for jokes about the climate of Canada.
[a] They named the training centre the Lorne Greene School of Broadcasting (LGSOB) and it had many notable graduates[b] before it was destroyed under suspicious circumstances, concealing its top-secret activities.
In 1963, Prime Minister Lester B. Pearson adds a dedicated comedy-training program to the conspiracy, headed by comedy duo Johnny Wayne and Frank Shuster, who had "infiltrated" The Ed Sullivan Show a record 67 times.
In 1968, Prime Minister Pierre Trudeau became incensed when the Canadian-controlled show The Smothers Brothers Comedy Hour was cancelled due to a monologue by operative David Steinberg.
Examining why the major US networks have not reported on the conspiracy, it is noted that both Peter Jennings, head anchor of ABC News, and Morley Safer, co-host of CBS's 60 Minutes, are Canadians, implying a cover-up.
Reviewing the conspiracy plot, the narrator predicts horrific effects if nothing is done and Americans are made into Canadians, showing street crowds emulating Bob and Doug McKenzie.
The film was produced by Bill House[16] and Barbara Tranter[17] of Toronto-based Shtick Productions, for the Canadian Broadcasting Corporation with financial assistance from Telefilm Canada.
[7] Cultural researcher Jody Berland writes that the film shows its creators' amusement and frustration at their invisible outsider status in the United States.
In the film, the United States is cast as a xenophobic imperial culture which fails to appreciate the differences of others, seeing less powerful nations as "either dangerous enemies [or] less successful versions of themselves.
Early in the film, the saying "Canada has only two seasons: winter and July" is established as an offensive joke, but is reinforced as a "true" statement when a camera crew ventures outside in Canada during the "brief summer thaw in July", through a sequence describing the difficulty constructing on permafrost, and through archival film clips which juxtapose mild weather in US cities with Toronto during a blizzard and which portray Canadians crossing the US border on showshoes and sledding and ice-fishing during May.
[19] Mike Boone of the Montreal Gazette wrote that the film was a clever satire with an innovative presentation; he praised the editing and research, and compared it to the Woody Allen mockumentaries Take the Money and Run and Zelig.
[3] Michael Dorland came to a similar conclusion in a mixed review for Cinema Canada, appreciating the archival clips and editing but finding the humour, while at times brilliant, to become repetitive and overplayed.