SUMMARY: "Heritage Theatre" was a series of short historical plays set in the Vancouver environs. These vignettes illustrate some of the significant events and interesting episodes from Vancouver's earliest ti;mes. First broadcast in 1977, the plays were made in co-operation with the Social Planning Department of the City of Vancouver. This series was broadcast during the summer of 1981. This episode, "Gast;own Riot: August 7,1971" by Tom Cone, recounts the incidents leading up to the Gastown riot of August 7, 1971.;