Some of these I have mentioned before...
St. Paul's -- Tonight: All-candidates debate, Upper Canada College, 7:30pm
Waterfront Debate -- Tonight: With the Trinity-Spadina candidates. Harbourfront outdoor theatre, 6:30pm
Toronto-Danforth -- June 21: All-candidates debate, Jimmie Simpson community centre (870 Queen Street East), 7pm
Green Economy Debate -- June 21: With Peter Elgie (Green), Phil Green (Conservative), Mario Silva (Liberals), Peter Tabuns (NDP). Toronto City Hall, 7:30pm
If you know of any others, please link in the comments…