The film "Half Baked" was filmed in Toronto, Canada.

Filming Locations:

Prison

In the Movie

In Reality

The scene was filmed at Built in 1941 on the site of a former amusement park, the R. C. Harris plant currently supplies nearly half of Toronto's drinking water. The building was designed in the Art Deco style and is popularly known as the Palace of Purification for its grand architecture both inside and out. The plant was named after Rowland Caldwell Harris, who was Toronto's Commissioner of Works at the time of construction.