Waking Life is a 2001 American experimental philosophical adult animated docufiction film directed by Richard Linklater. The film explores a wide range of philosophical issues including the nature of reality, dreams and lucid dreams, consciousness, the meaning of life, free will, and existentialism. It is centered on a young man who wanders through a succession of dream-like realities wherein he encounters a series of individuals who engage in insightful philosophical discussions.
The film was entirely rotoscoped, although it was shot using digital video of live actors with a team of artists drawing stylized lines and colors over each frame with computers, rather than being filmed and traced onto cels on a lightbox. The film contains several parallels to Linklater's 1991 film Slacker. Ethan Hawke and Julie Delpy reprise their characters from Before Sunrise in one scene. Waking Life premiered at the 2001 Sundance Film Festival.