Gandalf had a mysterious chat with Tom Bombadil toward the end of J.R.R. Tolkien's The Lord of the Rings, without confirming what it was about.

Saruman did imprison Gandalf, but there was no physical altercation, and he did help expel the Necromancer from Dol Guldur, but the Nazgûl were not involved. Gandalf, however, did plenty of ...