Dateline Unforgettable Oxygen True Crime Running 7 Seasons · 121 Episodes · Premiered November 20, 2010 Where to Watch: Oxygen True Crime Official Site Next Air Time: No upcoming air date Seasons & Episodes Season 1 25 episodes 2021 Season 2 48 episodes 2022 Season 3 11 episodes 2024 Season 4 8 episodes 2024 Season 5 8 episodes 2025 Season 6 9 episodes 2025 Season 7 12 episodes 2025 Cast Keith Morrison as Himself View all 1 cast members → Top Rated Shows Breaking Bad AMC ★ 9.2 Band of Brothers HBO ★ 9 Game of Thrones HBO ★ 8.9 The Wire HBO ★ 8.9 Firefly FOX ★ 8.9 Sherlock BBC One ★ 8.9 More on Oxygen True Crime Killer Relationship with Faith Jenkins ★ 7.4 The Real Murders of Atlanta ★ 6.5 Snapped ★ 6.3 New York Homicide ★ 4.5 Bad Girls Club Preachers of L.A. User Reviews Rate this show Your star rating (required) ★ ★ ★ ★ ★ Submit Review
