The Matrix Trilogy (1999-2003): While the first film was groundbreaking and influential, the sequels, "The Matrix Reloaded" and "The Matrix Revolutions," received mixed reviews and failed to capture the same magic.
The Hobbit Trilogy (2012-2014): Based on J.R.R. Tolkien's relatively short novel, stretching it into three lengthy films felt bloated and led to pacing issues, CGI overload, and deviations from the source material.
The Hangover Trilogy (2009-2013): The first film was a surprise hit, but its sequels failed to capture the same freshness and humor, relying too heavily on recycled gags and shock value.
The Godfather Trilogy (1972-1990): While the original "Godfather" is widely regarded as one of the greatest films ever made, the sequels, particularly "The Godfather Part III," are often seen as unnecessary additions that don't live up to the legacy of the first film.
The Pirates of the Caribbean Trilogy (2003-2007): While the first three films in the series were commercially successful, the quality and coherence of the storytelling declined with each installment, leading to diminishing returns.
The Star Wars Prequel Trilogy (1999-2005): While there are passionate fans of these films, they are often criticized for their wooden dialogue, overreliance on CGI, and departure from the tone of the original trilogy.
The Terminator Salvation Trilogy (2003-2009): After the critically acclaimed first two films, the series took a nosedive with "Terminator 3: Rise of the Machines" and "Terminator Salvation," which failed to recapture the magic of the earlier installments.
The RoboCop Trilogy (1987-1993): The original "RoboCop" is a classic of the sci-fi genre, but its sequels failed to live up to its legacy, with each subsequent film receiving poorer reviews and performing worse at the box office.
The Divergent Series (2014-2016): Despite a strong start, the franchise faltered with each successive installment, with "Allegiant" performing poorly both critically and commercially, leading to the cancellation of the planned final film.
The Jurassic Park Trilogy (1993-2001): While the original "Jurassic Park" is a beloved classic, its sequels, "The Lost World: Jurassic Park" and "Jurassic Park III," received mixed reviews and are often seen as unnecessary cash grabs.