Lets take a look at the final grades for Anaconda franchise....
Anaconda
C-
Anacondas: The Hunt for the Blood Orchid
D-
Anaconda 3: The Offspring
F
Anaconda 4: Trail of Blood
F
Overall franchise grade for Anaconda =
D-
Next franchise up is Argento's Three Mother Trilogy.....
Suspiria
Inferno
Mother of Tears: The third mother
Suspiria
Inferno
Mother of Tears: The Third Mother