Complex sentence: The movie is a coproduction between, Edmonton based, ImagiNation, Montreal's Cite-Amerique, and CTV, for CTV's line of TV-movies, collectively known as the CTV Signature Series.
Split into simpler sentences: The movie is a coproduction between, Edmonton based, ImagiNation, Montreal's Cite-Amerique, and CTV. For CTV's line of TV-movies, collectively known as the CTV Signature Series.