Abbott and Costello Movies: Buck Privates
With the only true sequel in Abbott and Costello's filmography, this two-film arc follows the duo's military misadventures. Buck Privates was their breakthrough hit that established their screen personas, while Buck Privates Come Home deals with their post-war readjustment.
These films showcase the team's signature service comedy formula and feature their polished routines within a connected narrative framework.
There are 3 other watch lists available - see the links up above.
List not ranked (sorted by Release Date)

Buck Privates
Two petty con artists accidentally enlist in the Army while fleeing the police, only to find their pursuer has become their drill instructor. Meanwhile, a wealthy recruit and his former chauffeur compete for the affections of the same woman in this classic Abbott and Costello military comedy.
Affiliate link - no extra cost

Buck Privates Come Home
Two ex-soldiers return from overseas, one secretly bringing a French orphan girl he's grown attached to. They encounter their old sergeant and get mixed up with a race-car builder seeking financial backers for his new midget racer.
Affiliate link - no extra cost
Related Film Series
Other Film Series
Child's Play
A horror franchise following the murderous adventures of Chucky, a killer doll possessed by the soul of serial killer Charles Lee Ray.
Critters
Horror-comedy franchise about small, ravenous alien creatures called Crites terrorizing Earth, featuring a complete four-film story arc and a later soft reboot.
Frankenstein
Classic horror films based on Mary Shelley's novel, spanning from Universal's iconic 1930s series to Hammer's gothic interpretations and modern reimaginings.
Laurel and Hardy
The legendary comedy duo's collection of standalone feature films spanning from 1931 to 1951.
Road to...
Classic Hollywood buddy comedy series starring Bing Crosby and Bob Hope as they embark on adventures in exotic locations, with Dorothy Lamour as their frequent co-star.
Zombieland
A mismatched group of survivors navigates a zombie apocalypse with humor, heart, and creative zombie-killing rules.