Kekec
The Kekec trilogy kicked off in 1951 with the first movie in the series Kekec. In 1963 a second film was released staring Matija Barl, Frane Milcinski, Franc Presetnik, Zdenka Logar, and in 1968 the series was completed with Kekceve ukane
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 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 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
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 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
The The Cannonball Run trilogy kicked off in 1981 with the first movie in the series The Cannonball Run. In 1984 a second film was released staring Burt Reynolds, Dom DeLuise, Dean Martin, Sammy Davis Jr., and in 1989 the series was completed with Speed Zone!
The Black Triad Trilogy trilogy kicked off in 1995 with the first movie in the series Shinjuku Triad Society. In 1997 a second film was released staring Shô Aikawa, Li Wei Chang, Shih Chang, Xianmei Chen, and in 1999 the series was completed with Ley Lines
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