These days, Peter Jackson is earning praise for his three-part Disney+ Beatles documentary, Get Back. But 20 years ago, he made his mark on pop culture with another three-part series about a beloved band of sorts — The Lord of the Rings, which debuted in theaters Dec. 19, 2001. Based on the novels by J.R.R. Tolkien, the trilogy’s first film, The Fellowship of the Ring, kicked off the saga of the Hobbits from the Shire who join forces with Men, Elves and Dwarves to undertake an arduous journey to defeat the evil Sauron and restore peace to Middle-earth. Jackson cast Elijah Wood, then 18, in the lead role as Frodo Baggins. The all-star ensemble included Ian McKellen, Liv Tyler, Viggo Mortensen, Sean Astin, Cate Blanchett, John Rhys-Davies, Billy Boyd, Dominic…