Offworld: Forbidden Planet (1956)

Why are exoplanets--those outside our solar system--depicted the way they are in science fiction film? We revisit the 1956 movie Forbidden Planet to examine one of the first representations of exoplanets in cinema, and our expert guests help explain the state of exoplanet imaging and what we know about the planets astronomers have detected so far. What's your favorite exoplanet seen in film?