03:55Movies With Ali PlumbThe Secret of AvatarBBC Radio 1 Duration: 36 minutes Tue 10th Jan 2023, 03:55 on Red Button OneAvailable for over a yearWatch nowDirector James Cameron and the cast of sequel The Way Of Water join Ali to reveal how Avatar became the biggest movie of all time.GenresFactualArts, Culture & the MediaEntertainmentBrandMovies With Ali Plumb Source: BBC Online