Frankenstein Movies: Universal Films
The Universal Frankenstein series forms the most coherent storyline in the franchise, with each film building on the events and characters of its predecessors. Bride of Frankenstein continues immediately from the 1931 film's ending, while Son of Frankenstein introduces Ygor, who becomes a crucial recurring character linking the later entries.
The films maintain clear narrative progression through plot developments like Ygor's brain transplantation in The Ghost of Frankenstein and culminates in monster crossovers that unite storylines from across Universal's horror catalog. While there are occasional inconsistencies in character fates and abilities between films, the Universal series makes a genuine effort to maintain continuing storylines.
There are 3 other watch orders available – see the links up above.

Frankenstein
Mad scientist Henry Frankenstein attempts to create life by assembling body parts, but his monstrous creation becomes violently destructive in a world that rejects him.

Bride of Frankenstein
Dr. Frankenstein is forced out of retirement when the mad Dr. Pretorius kidnaps his wife and demands help creating a mate for Frankenstein's still-living monster.

Son of Frankenstein
The son of Dr. Frankenstein discovers his father's monster in a comatose state and brings it back to life, unaware that the creature is now under the influence of the vengeful Ygor.

The Ghost of Frankenstein
When Dr. Bohmer attempts to transplant Ygor's brain into Frankenstein's monster, his scheme to control the creature backfires spectacularly. The malevolent monster breaks free and embarks on a destructive rampage.

Frankenstein Meets the Wolf Man
When grave robbers awaken the Wolf Man, he seeks out Dr. Frankenstein hoping to find a cure for his lycanthropic curse. Instead, he discovers that the doctor has died, but his famous monster still lurks in the shadows.

House of Frankenstein
A mad scientist escapes from prison and takes over a traveling horror show, using it as a cover to revive classic monsters including Dracula, Frankenstein's Monster, and the Wolf Man.

House of Dracula
A dedicated scientist seeks to cure the supernatural afflictions of both the Wolf Man and Count Dracula, but his noble efforts lead to unexpected and dangerous consequences. This classic Universal monster film brings together multiple iconic creatures in a tale of science versus the supernatural.

Bud Abbott and Lou Costello Meet Frankenstein
Bumbling baggage handlers Bud Abbott and Lou Costello find themselves in a hilarious horror adventure when they accidentally encounter classic movie monsters including Frankenstein's Monster, Dracula, and the Wolf Man.
Other Film Series
A Quiet Place
A post-apocalyptic horror series about survivors navigating a world where deadly creatures hunt by sound, forcing humanity to live in complete silence.
Asia Argento
Italian actress and filmmaker, daughter of horror director Dario Argento, known for her work in European arthouse cinema and collaborations with major auteurs.
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.
Leprechaun
A horror-comedy franchise following a murderous Irish leprechaun's violent quests to reclaim his stolen gold across various settings and time periods.
Scanners
A sci-fi horror series about people with telepathic and telekinetic abilities, beginning with David Cronenberg's acclaimed 1981 film.
Tremors
Kevin Bacon and Michael Gross battle subterranean Graboids in this cult monster franchise spanning three decades.