Each "American Horror Story" season features many of the same actors, playing other characters with different storylines and historical settings. But ultimately, they're all connected. "There's definitely a rhyme or a reason and a connectedness to all of these seasons, but in the same way, they're standalones, which is the fun of it," Ryan Murphy told Entertainment Weekly. "But it is a puzzle."

It's definitely puzzling, and with so many factors involved, it's no surprise the writers and editors might occasionally struggle with the finer details. Some of the biggest "American Horror Story" mistakes stem from time and date disparities. As per ScreenRant, during Episode 5 of Season 7, "Cult," there's a telephone timelapse that occurs. Sarah Paulson's character, Ally Mayfair-Richards, calls her wife, Ivy, played by Alison Pill. Mayfair-Richards is in utter panic, terrified that somebody is stalking them, and the couple talks at length. However, after the conversation ends, a close-up of her cellphone displays a call length of just 13 seconds.

According to IMDb, during Episode 2 of Season 5, "Hotel," Detective John Lowe (Wes Bentley) explains that James Patrick March (Evan Peters) became rich after making "a killing in the Depression," which began in 1929 (via History). However, Ivy had previously told Lowe that JPM was a self-made millionaire who earned his fortune from oil and coal. A flashback scene while they're talking shows that March was already incredibly wealthy when he built the hotel in 1925.

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