What do you know? They have Halloween in Canada!
There've been a handful of cartoon series based around this strip - the Halloween episode, which takes place around the time Michael, the son, is 14 or so, is from the early 90's incarnation.
The plot deals with Michael's attempts to avoid a bully around Halloween, and features a fairly bad song (is "come out, come out, the goblins are out!" something kids yell at Halloween in Canada?).
This special isn't required viewing, but one should note that the bar is set pretty high here - other comic strips that have had Halloween specials include Garfield and Peanuts, both of which went down as legends in the annals of Halloween Specials. This one doesn't quite live up to it, but you can't blame 'em for trying.