The Duma o Kovpake trilogy kicked off in 1973 with the first movie in the series Duma o Kovpake: Nabat. In 1975 a second film was released staring Konstantin Stepankov, Valentin Belokhvostik, Mikhail Golubovich, Yuriy Sarantsev, and in 1976 the series was completed with Duma o Kovpake: Karpaty, Karpaty…
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 Harihar Nagar trilogy kicked off in 1990 with the first movie in the series In Harihar Nagar. In 2009 a second film was released staring Mukesh, Siddique, Jagadish, Asokan, and in 2010 the series was completed with In Ghost House Inn
The The Ten Gladiators trilogy kicked off in 1963 with the first movie in the series I dieci gladiatori. In 1964 a second film was released staring Dan Vadis, Helga Liné, Stelio Candelli, Gianni Rizzo, and in 1964 the series was completed with Spartacus and the Ten Gladiators
The The Ape Woman trilogy kicked off in 1943 with the first movie in the series Captive Wild Woman. In 1944 a second film was released staring Acquanetta, Evelyn Ankers, J. Carrol Naish, Samuel S. Hinds, and in 1945 the series was completed with The Jungle Captive
The The Last Chance Detectives trilogy kicked off in 1994 with the first movie in the series The Last Chance Detectives: Mystery Lights of Navajo Mesa. In 1995 a second film was released staring Raymond Guth, Ryan Calhoun, James T. Callahan, Alan Johnson, and in 1996 the series was completed with The Last Chance Detectives: Escape from Fire Lake
The Znachor trilogy kicked off in 1937 with the first movie in the series Znachor. In 1938 a second film was released staring Kazimierz Junosza-Stepowski, Jacek Woszczerowicz, Elzbieta Barszczewska, Witold Zacharewicz, and in 1942 the series was completed with Testament profesora Wilczura
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 Piratensender Powerplay trilogy kicked off in 1982 with the first movie in the series Piratensender Powerplay. In 1983 a second film was released staring Mike Krüger, Thomas Gottschalk, Liane Hielscher, Gert Haucke, and in 1984 the series was completed with Zwei Nasen tanken Super
The The Qatsi Trilogy trilogy kicked off in 1983 with the first movie in the series Koyaanisqatsi. In 1988 a second film was released staring Christie Brinkley, David Brinkley, Pope John Paul II, Dan Rather, and in 2002 the series was completed with Naqoyqatsi
