We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.
This is a fiction/fan codex: entries describe an in-universe canon. Our audits check canon and internal consistency — external fact-checking does not apply the way it does on real-subject codexes.
Last full accuracy audit: 2026-08-23 · 30 entries checked · 23 flagged · 56 issues confirmed · 23 corrected · 33 still open
Sam Winchester — Ruby never claimed she could directly save Dean from Hell, but in the show she explicitly claims she can help save Dean from Hell and that drinking demon blood is necessary to do so.
Bobby Singer — Bobby first appears in Season 1, Episode 21 'Salvation', not the finale 'Devil's Trap' (Season 1, Episode 22).
Bobby Singer — In 'Devil's Trap,' the demon possessing Meg Masters is not exorcised; Meg is killed by John Winchester with the Colt.
John Winchester — John Winchester was a U.S. Marine, not an Air Force pilot. He served in the Marine Corps during the Vietnam War.
John Winchester — John did not die in a hospital from a car crash. He died in the hospital after making a deal with the demon Azazel to save Dean's life; his death was caused by a heart attack (or the deal's fulfillment), not a car crash. The car crash that killed him was actua
Mary Winchester — The entry states the series initially presents itself as the main universe's past, but the finale reveals it is actually a separate universe created by Jack Kline — this is a factual error because the series is framed from the start as a story narrated by Dean
The Darkness — The entry states that God imprisoned Amara within the Mark of Cain. In canon, Amara was imprisoned by God using a cosmic lock/box, not the Mark of Cain.
The Darkness — The entry says 'Her containment required the Mark of Cain, a curse specifically designed to imprison a primordial force.' This is incorrect; the Mark of Cain was not designed to imprison Amara herself, but contained a fragment of her power.
Four Horsemen — The first appearance of the Four Horsemen is incorrectly stated; the first mention is in Season 4, Episode 15, not Episode 17.
Four Horsemen — The claim that Pestilence was freed by Lucifer's actions is inaccurate; Pestilence is freed by War in Season 5, Episode 19.
Nephilim — The 'DID YOU KNOW' section states 'Other Nephilim were born in Season 8 and Season 9; Jack Kline is not the first in thousands of years.' This is factually incorrect because in canon, the Nephilim from Season 8/9 is the same individual, and Jack is explicitly
Nephilim — The claim that 'other Nephilim were born in Season 8 and Season 9, contradicting the idea that Jack Kline is the first in thousands of years' is misleading and contradicts established canon, as only one Nephilim was conceived in Season 8 and born in Season 9,
Castiel the Angel — Castiel held the rank of 'sergeant' is not supported by canon; his ranks were 'captain' and later 'de facto leader'.
Castiel the Angel — Castiel permanently took over Jimmy Novak's vessel after Jimmy's death, but also inhabited the vessel of 'Emmanuel' and briefly possessed other vessels (e.g., a woman in season 6).
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