Aliens in Alaska is a Discovery+ documentary series exploring the extraordinary number of UFO sightings, alleged abductions, mysterious creatures, and unexplained encounters reported across America’s last frontier. Through firsthand testimony from eyewitnesses, archival material, dramatic recreations, and investigations into some of the state’s strangest cases, the series asks why Alaska has become such a hotbed for alleged extraterrestrial activity. Stories range from pilots encountering unexplained objects in the sky and witnesses reporting enormous spacecraft to mysterious lights, possible alien encounters, and claims of hidden extraterrestrial bases. Aliens in Alaska premiered on Discovery+ in 2021.