The Rugrats (Theatrical films) trilogy kicked off in 1998 with the first movie in the series The Rugrats Movie. In 2000 a second film was released staring Elizabeth Daily, Tara Strong, Cheryl Chase, Christine Cavanaugh, and in 2003 the series was completed with Rugrats Go Wild
The The Count of Monte Cristo trilogy kicked off in 1934 with the first movie in the series The Count of Monte Cristo. In 1936 a second film was released staring Paul Barge, Claude Jade, Anny Duperey, Pierre Brasseur, and in 1940 the series was completed with The Son of Monte Cristo
The Boggy Creek trilogy kicked off in 1973 with the first movie in the series The Legend of Boggy Creek. In 1977 a second film was released staring Dawn Wells, Dana Plato, David Sobiesk, Marcus Claudel, and in 1985 the series was completed with The Barbaric Beast of Boggy Creek, Part II
The Friendship Trilogy trilogy kicked off in 2001 with the first movie in the series Dil Chahta Hai. In 2008 a second film was released staring Arjun Rampal, Farhan Akhtar, Luke Kenny, Purab Kohli, and in 2010 the series was completed with Zindagi Na Milegi Dobara
The Sometimes They Come Back trilogy kicked off in 1991 with the first movie in the series Sometimes They Come Back. In 1996 a second film was released staring Michael Gross, Alexis Arquette, Hilary Swank, Bojesse Christopher, and in 1998 the series was completed with Sometimes They Come Back… for More
The Fight Back to School trilogy kicked off in 1991 with the first movie in the series Fight Back to School. In 1992 a second film was released staring Stephen Chow, Sharla Cheung, Man Tat Ng, Athena Chu, and in 1993 the series was completed with Fight Back to School III
The The Ninja Trilogy trilogy kicked off in 1981 with the first movie in the series Enter the Ninja. In 1983 a second film was released staring Shô Kosugi, Keith Vitali, Virgil Frye, Arthur Roberts, and in 1984 the series was completed with Ninja III: The Domination
The Jesse James (Republic serials) trilogy kicked off in 1947 with the first movie in the series Jesse James Rides Again. In 1948 a second film was released staring Clayton Moore, Steve Darrell, Noel Neill, George J. Lewis, and in 1949 the series was completed with The James Brothers of Missouri
The Love Hunter trilogy kicked off in 1972 with the first movie in the series Love Hunter. In 1972 a second film was released staring Milan Mumin, Jelena Stupljanin, Eleanor Hutchins, Brian Berrebbi, and in 1973 the series was completed with Love Hunter: Lust
The Night of the Demons trilogy kicked off in 1988 with the first movie in the series Night of the Demons. In 1994 a second film was released staring Cristi Harris, Darin Heames, Robert Jayne, Merle Kennedy, and in 1997 the series was completed with Night of the Demons III
The The Mouse and the Motorcycle trilogy kicked off in 1986 with the first movie in the series The Mouse and the Motorcycle. In 1988 a second film was released staring Fred Savage, Conchata Ferrell, Sara Gilbert, Kellie Martin, and in 1990 the series was completed with Ralph S. Mouse
The The Roller Blade Seven trilogy kicked off in 1991 with the first movie in the series The Roller Blade Seven. In 1992 a second film was released staring Scott Shaw, Frank Stallone, Karen Black, Don Stroud, and in 1993 the series was completed with Return of the Roller Blade Seven
The Pink Tush Girl trilogy kicked off in 1978 with the first movie in the series Pink Tush Girl. In 1979 a second film was released staring Kaori Takeda, Ako, Nobue Ichitani, Yûko Katagiri, and in 1980 the series was completed with Pink Tush Girl: Proposal Strategy
The BRD Trilogy trilogy kicked off in 1979 with the first movie in the series The Marriage of Maria Braun. In 1982 a second film was released staring Rosel Zech, Hilmar Thate, Cornelia Froboess, Annemarie Düringer, and in 1981 the series was completed with Lola
