Severance (Season 2, Apple TV+)

The only series on this list to score a perfect 100% on Rotten Tomatoes: Severance Season 2 is Apple TV+'s highest-rated original ever, outperforming its own first season by 8 percentage points. The psychological thriller was even more mind-bending and emotionally devastating, with episode 5 alone racking up 7.2 million viewers within 48 hours. Its 9.5 IMDb rating is 0.9 points higher than the average for this Top 10, and the Lumon Industries mystery deepened in ways that dominated weekly discourse across social media and podcast circles, with a 67% share of weekly TV conversation on X.