A film by local independent film makers Lonewolf Documentary Group that follows Cape Elizabeth's and Mountain Valley's football teams for an entire season (2007) will be shown on the Smithsonian Channel Saturday, September 11th at 9 PM, September 12th at midnight, and September 12th again at 2 PM. Below is the trailer:
You can find more info at the sites below.
The Rivals web page
Smithsonian Channel website