The Hobbit Trilogy is a series of fantasy adventure films based on J.R.R. Tolkien's novel, 'The Hobbit.' Benedict Cumberbatch provides the voice and motion-capture performance for the dragon Smaug, one of the main antagonists in the films. Cumberbatch's deep and menacing voice brings Smaug to life, capturing the essence of the cunning and treacherous dragon. The Hobbit Trilogy takes viewers on an epic journey filled with thrilling battles, magical creatures, and the quest for a lost treasure. Cumberbatch's portrayal of Smaug adds an extra layer of excitement and intensity to the films.