The Harry Potter TV remake must include the neglected subplot of the Black sisters, whose stories of love and betrayal ...

Canon dictated that the romance subplot in Star Trek: Strange New Worlds season 3 had to happen. But apologies to shippers: it may not end the way you want.

In an earlier version of Steven Spielberg's classic film E.T. the Extra-Terrestrial, the loveable alien once had a semi-romantic subplot.

That bold move the Hurricanes made in trading for Jake Guentzel and the big trade the Rangers didn’t make provides interesting subplot in the series.