https://screenrant.com/the-rookie-season-8-episode-15-worst-killing-itself/

While still a fan-favorite, The Rookie may not notice that it's slowly killing itself and the worst episode of season 8 makes that incredibly clear.

Not Even a Major 'Supernatural' Crossover Can Save 'The Rookie's Worst Episode This Season | Review (https://collider.com/the-rookie-season-8-episode-15-recap-review-documentary-supernatural/)

Even the 'Game Changers' cast makes a reappearance!