Now, you might remember two Hobbits seen fishing together in The Return of the King – Déagol and Sméagol. Sméagol, of course, was ultimately corrupted by the One Ring and became Gollum ...

The Return of the King was similar to the novel but with one important difference. The writer continued, "It does center on Gollum/Smeagol, so it's a little bit of an origin story going on ...