Bilbo Baggins had played Frodo in the BBC radio series 20 years earlier. The movies omit the 17-year gap between Bilbo's 111th birthday and Frodo's departure from the Shire, as a result Bilbo mentions in Rivendell that he was unable to revisit the Lonely Mountain before his retirement. In Peter Jackson's "The Hobbit" film series, a prequel to "The Lord of the Rings", the young Bilbo is portrayed by Martin Freeman while Ian Holm reprises his role as an older Bilbo in "" (2012) and "" (2014). The International Astronomical Union names all colles (small hills) on Saturn's moon Titan after characters
The Hobbit work on "The New Hobbit", which would eventually become "The Lord of the Rings", a course that would not only change the context of the original story, but lead to substantial changes to the character of Gollum. In the first edition of "The Hobbit", Gollum willingly bets his magic ring on the outcome of the riddle-game, and he and Bilbo part amicably. In the second edition edits, to reflect the new concept of the One Ring and its corrupting abilities, Tolkien made Gollum more aggressive towards Bilbo and distraught at losing the ring. The encounter ends with Gollum's curse, "Thief!