The The Creature from the Black Lagoon trilogy kicked off in 1954 with the first movie in the series Creature from the Black Lagoon. In 1955 a second film was released staring John Agar, Lori Nelson, John Bromfield, Nestor Paiva, and in 1956 the series was completed with The Creature Walks Among Us
The The Untouchables trilogy kicked off in 1959 with the first movie in the series The Scarface Mob. In 1989 a second film was released staring Keith Carradine, Ray Sharkey, Debrah Farentino, Charles Haid, and in 1991 the series was completed with The Return of Eliot Ness
The The Three Mothers trilogy kicked off in 1977 with the first movie in the series Suspiria. In 1980 a second film was released staring Leigh McCloskey, Irene Miracle, Eleonora Giorgi, Daria Nicolodi, and in 2007 the series was completed with The Mother of Tears
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 The Time Trilogy trilogy kicked off in 1966 with the first movie in the series San. In 1967 a second film was released staring Vojin Cetkovic, Dragan Jovanovic, Dubravka Mijatovic, Tanasije Uzunovic, and in 1968 the series was completed with Podne
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 Beverly Hills Chihuaha trilogy kicked off in 2008 with the first movie in the series Beverly Hills Chihuahua. In 2011 a second film was released staring Marcus Coloma, Erin Cahill, Susan Blakely, Lupe Ontiveros, and in 2012 the series was completed with Beverly Hills Chihuahua 3: Viva la Fiesta!
The The Milieu Trilogy trilogy kicked off in 1972 with the first movie in the series Milano calibro 9. In 1972 a second film was released staring Domiziano Arcangeli, Barbara Bouchet, Anne Canovas, Riccardo Cucciolla, and in 1973 the series was completed with Il boss
The The Cheetah Girls trilogy kicked off in 2003 with the first movie in the series The Cheetah Girls. In 2006 a second film was released staring Raven-Symoné, Adrienne Bailon, Sabrina Bryan, Kiely Williams, and in 2008 the series was completed with The Cheetah Girls: One World
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 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 Secret Agent 077 trilogy kicked off in 1965 with the first movie in the series Agent 077 – Mission Bloody Mary. In 1965 a second film was released staring Ken Clark, Daniela Bianchi, Helga Liné, Jacques Bergerac, and in 1966 the series was completed with Special Mission Lady Chaplin
