It is important to note that places and availability can change on an annual basis so it is best to check with your departments in the Autumnn term to see what options are available to you for that year.
Availability Available to History, Comparative American Studies, Theatre Studies, and WBS UG non-finalists.Places and availability are always subject to change on an annual basis.University of British Columbia website
Availability Available to Engineering, History/Comparative American Studies, and Politics & International Studies UG non-finalists [not available to every department every year - check with your department for availability]University of Waterloo website
Availability Available to university-wide UG non-finalists with the exception of WBS and Law students. Places and availability are always subject to change on an annual basis.University of Western Ontario website