Based on the novel by Neil Gaiman, American Gods is a fantasy series that explores the clash between old gods and new gods in modern-day America. Gillian Anderson appears in the show as Media, the personification of mass media and pop culture. Anderson's portrayal of Media is mesmerizing, as she embodies various iconic characters from film and television. American Gods is visually stunning and thought-provoking, making it a must-see series for fans of fantasy and mythology.