Hatchet
The Hatchet trilogy kicked off in 2007 with the first movie in the series Hatchet. In 2010 a second film was released staring Danielle Harris, Tony Todd, Kane Hodder, Parry Shen, and in 2013 the series was completed with Hatchet III
Back to the Future
The Back to the Future trilogy kicked off in 1985 with the first movie in the series Back to the Future. In 1989 a second film was released staring Michael J. Fox, Christopher Lloyd, Lea Thompson, Thomas F. Wilson, and in 1990 the series was completed with Back to the Future Part III
Urban Legend
The Urban Legend trilogy kicked off in 1998 with the first movie in the series Urban Legend. In 2000 a second film was released staring Jennifer Morrison, Matthew Davis, Hart Bochner, Loretta Devine, and in 2005 the series was completed with Urban Legends: Bloody Mary
Entrails of a Virgin
The Entrails of a Virgin trilogy kicked off in 1986 with the first movie in the series Entrails of a Virgin. In 1986 a second film was released staring Saeko Kizuki, Naomi Hagio, Megumi Kawashima, Osamu Tsuruoka, and in 1987 the series was completed with Female Inquisitor
Before Trilogy
The Before Trilogy trilogy kicked off in 1995 with the first movie in the series Before Sunrise. In 2004 a second film was released staring Ethan Hawke, Julie Delpy, Vernon Dobtcheff, Louise Lemoine Torres, and in 2013 the series was completed with Before Midnight
Open Season
The Open Season trilogy kicked off in 2006 with the first movie in the series Open Season. In 2009 a second film was released staring Joel McHale, Mike Epps, Jane Krakowski, Billy Connolly, and in 2011 the series was completed with Open Season 3
Missing in Action
The Missing in Action trilogy kicked off in 1984 with the first movie in the series Missing in Action. In 1985 a second film was released staring Chuck Norris, Soon-Tek Oh, Steven Williams, Bennett Ohta, and in 1988 the series was completed with Braddock: Missing in Action III
Heintje
The Heintje trilogy kicked off in 1969 with the first movie in the series Heintje – Ein Herz geht auf Reisen. In 1970 a second film was released staring Heintje Simons, Heinz Reincke, Gerlinde Locker, Paul Dahlke, and in 1970 the series was completed with Heintje – Mein bester Freund
Grindhouse
The Grindhouse trilogy kicked off in 2007 with the first movie in the series Death Proof. In 2007 a second film was released staring Rose McGowan, Freddy RodrÃguez, Josh Brolin, Marley Shelton, and in 2010 the series was completed with Machete
The Grudge
The The Grudge trilogy kicked off in 2004 with the first movie in the series The Grudge. In 2006 a second film was released staring Sarah Michelle Gellar, Amber Tamblyn, Arielle Kebbel, Takako Fuji, and in 2008 the series was completed with The Grudge 3
Mexico Trilogy
The Mexico Trilogy trilogy kicked off in 1992 with the first movie in the series El Mariachi. In 1995 a second film was released staring Antonio Banderas, Salma Hayek, Joaquim de Almeida, Cheech Marin, and in 2003 the series was completed with Once Upon a Time In Mexico
On the Buses
The On the Buses trilogy kicked off in 1971 with the first movie in the series On the Buses. In 1971 a second film was released staring Reg Varney, Doris Hare, Michael Robbins, Anna Karen, and in 1972 the series was completed with Holiday on the Buses