Initially a hit with its musical charm, Glee's popularity dwindled due to cast changes and inconsistent plots. The show lost its appeal, especially after Cory Monteith's death.

Heroes began as a hit with its unique superpower storyline but faltered in later seasons. Writer strikes led to recycled plots and a decline in quality, ending in 2010.

The first season of Under the Dome stayed true to Stephen King's novel, but later seasons strayed from the source material and lost viewership, making the show less engaging.

Prison Break's first season captivated audiences, but its subsequent seasons shifted focus and became less popular, leading to its end in 2020 after declining viewership.

Russian Doll's first season impressed with its time-loop narrative, but the second season recycled ideas and confused viewers, leading to criticism of its necessity.

Scream Queens’ first season was a hit with its blend of comedy and horror, but the second season failed to capture the same magic, resulting in a drop in viewership.

Based on a novel, 13 Reasons Why’s first season was impactful but its later seasons expanded unnecessarily, leading to declining viewership and criticism for prolonging the story.

Big Little Lies, originally a mini-series, was praised for its first season but faltered in the second. Despite new additions to the cast, it couldn't match the original’s success.

Riverdale’s first season captivated with its dark take on Archie Comics. As the series dragged on, the melodrama and bizarre plots led to a drop in interest, ending in 2023.