Phoenix
The Phoenix trilogy kicked off in 1978 with the first movie in the series Phoenix. In 1980 a second film was released staring Bryan Cranston, Anna Gunn, Aaron Paul, Dean Norris, and in 1986 the series was completed with Phoenix: Ho-o
Night of the Demons
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
Care Bears
The Care Bears trilogy kicked off in 1985 with the first movie in the series The Care Bears Movie. In 1986 a second film was released staring Hadley Kay, Chris Wiggins, Cree Summer, Alyson Court, and in 1987 the series was completed with The Care Bears Adventure in Wonderland
Casino Raiders
The Casino Raiders trilogy kicked off in 1989 with the first movie in the series Casino Raiders. In 1990 a second film was released staring Pak-cheung Chan, Andy Lau, Alan Tam, Sung Young Chen, and in 1993 the series was completed with Casino Raiders II
My Friends
The My Friends trilogy kicked off in 1975 with the first movie in the series My Friends. In 1982 a second film was released staring Ugo Tognazzi, Gastone Moschin, Adolfo Celi, Renzo Montagnani, and in 1985 the series was completed with Amici miei Atto III
The Tulse Luper Suitcases
The The Tulse Luper Suitcases trilogy kicked off in 2003 with the first movie in the series The Tulse Luper Suitcases, Part 1: The Moab Story. In 2004 a second film was released staring JJ Feild, Raymond J. Barry, Valentina Cervi, Marcel Iures, and in 2005 the series was completed with The Tulse Luper Suitcases, Part 3: From Sark to the Finish
Shark Attack
The Shark Attack trilogy kicked off in 1999 with the first movie in the series Shark Attack. In 2001 a second film was released staring Thorsten Kaye, Nikita Ager, Dan Metcalfe, Caroline Bruins, and in 2002 the series was completed with Shark Attack 3: Megalodon
Lucky Luke (live-action films)
The Lucky Luke (live-action films) trilogy kicked off in 1991 with the first movie in the series Lucky Luke. In 1991 a second film was released staring Ron Carey, Bo Greigh, Terence Hill, Nancy Morgan, and in 2004 the series was completed with Les Dalton
Up Pompeii!
The Up Pompeii! trilogy kicked off in 1971 with the first movie in the series Up Pompeii. In 1971 a second film was released staring Frankie Howerd, Michael Hordern, Barbara Murray, Patrick Cargill, and in 1972 the series was completed with Up the Front
Beyond the Door
The Beyond the Door trilogy kicked off in 1974 with the first movie in the series Beyond the Door. In 1977 a second film was released staring Daria Nicolodi, John Steiner, David Colin Jr., Ivan Rassimov, and in 1989 the series was completed with Beyond the Door III
The Swordsman
The The Swordsman trilogy kicked off in 1990 with the first movie in the series The Swordsman. In 1992 a second film was released staring Samuel Hui, Cecilia Yip, Jacky Cheung, Sharla Cheung, and in 1994 the series was completed with The East Is Red