Strange Brew

Strange Brew also known as The Adventures of Bob amp Doug McKenzie Strange Brew is a 1983 Canadian comedy film starring the popular SCTV characters Bob and Doug McKenzie, portrayed by Dave Thomas and Rick Moranis, who also served as codirectors. Costars include Max von Sydow, Paul Dooley, Lynne Griffin and Angus MacInnes.

Two unemployed brothers, Bob and Doug McKenzie Rick Moranis and Dave Thomas, place a live mouse in a beer bottle in an attempt to blackmail the local beer store into giving them free Elsinore beer, but are told to take up the matter at the Elsinore brewery instead. After presenting the mouse to management at the brewery, the brothers are given jobs on the bottling line inspecting the bottles for mice.Meanwhile, the evil Brewmeister Smith Max von Sydow is perfecting a secret plan to take over the world by placing a mindcontrol drug in Elsinore beer which, while rendering the consumer docile, also makes him or her attack others when certain musical tones are played. Smith tests this adulterated beer on patients of the neighbouring Royal Canadian Institute for the Mentally Insane, which is connected to the brewery by underground tunnels. ........

Source: Wikipedia