Trivia: The book that Sam reads is The Outsiders, Ralph Macchio starred in the film version.
Trivia: The plot is about flight 828 which disappeared for 5 years, then simply showed up again as if no time had passed for the passengers. Throughout the show, the number 828 is related periodically to addresses, file nos., times, etc. Not referenced is the fact that addresses of all passengers are numerically related to 828 - i.e. Michayla's apt. is 414 (half of 828). Others are 5328 (5+3=8, 2, 8), etc.
Trivia: The book Claudia is reading is titled 'Love Amongst the Dragons', which is a reference to Avatar: The Last Airbender, where it is a play that gets mentioned a few times. Aaron Ehasz, creator of this show, also wrote multiple episodes for that.
Trivia: The psychiatrist who treats Nell Crain (Victoria Pedretti) is played by Russ Tamblyn, who starred in "The Haunting", the original 1963 film adaptation of "The Haunting of Hill House"
Trivia: There is no Station 19 in Seattle. The actual Seattle Fire House in Station 19, stationed in building at 2800 in Seattle, is Station 20 in Queen Anne.
Trivia: Alan Tudyk asks the resident cop if there were any aliens at the hotel. In Resident Alien, Alan Tudyk played a real alien. (00:04:10)
Trivia: While Hank and Dawn are in the warehouse on the truck there is the name "Ditko Movers", a reference to Steve Ditko, the creator of Hawk and Dove.
Trivia: In the lift, Peter Scarborough mentions building 616. In Marvel comics, Earth-616 is the main dimension most of the stories are set.
LaWanda: The Book of Burial - S1-E3
Trivia: When Grace and Anissa are talking in the library, Grace says Anissa should read "The Outsiders" (a DC comics). Black Lightning was one of the founding members of The Outsiders.
Episode #1.6 - S1-E6
Trivia: In the park where PS Budd is surrounded by armed tactical response officers, a careful observer would notice that the brand of ear protection devices the officers are wearing are Z-TAC, an airsoft brand.
Trivia: Shooting scenes with Salem proved pretty difficult for Kiernan Shipka, who discovered on set that she's actually allergic to cats.
Trivia: Daily Mail journalist Frederick McKenzie takes a photo of the Righteous Army, which is stated to be the only existing photo of Korea's freedom fighters. This photo is a direct recreation of a real-life photo of the Righteous Army, taken by Frederick McKenzie (who was a real-life war journalist) and is to date, the only existing photo of Korea's freedom fighters. (00:30:12)
Trivia: While Camille is in severe distress back at Crellin Manor, a pensive Willis examines the interior of the sensor bar, trusting his subconscious to sense a clue. One of the things his eyes pass over is a bumper sticker with two American flags, originally stuck to the underside of the moveable piece of the bar top. Thus, the flags on the sticker are upside down, a sign for distress.
Trivia: Actor Balthazar Getty is the son of the subject of this series, John Paul Getty III.