"#HappyHolograms" is the tenth and final episode in the eighteenth season of the American animated television series South Park. The 257th episode overall, it was written and directed by series co-creator and co-star Trey Parker. The episode premiered on Comedy Central in the United States on December 10, 2014. It is the second part of the two-part season finale which began with the previous episode, "#REHASH". The episode makes multiple references to earlier episodes over the season, as well as to previous seasons, while mainly lampooning the trend of culture constantly making trending topics with no actual relevance. It also lampoons news events such as the death of Eric Garner, the shooting of Michael Brown, the sexual assault allegations against Bill Cosby, the use of celebrity hologra