The Reavers of Firefly are infected space zombies, while the crew of Serenity are space-cowboy-pirates/space-pirate-priests/space-pirate-prostitutes. And River, who is a psychic (and psychotic) space-pirate-ninja.
Reavers ain't much of zombies as they are chemically-altered space xenophobic cannibal rapists.
The popularity of Star Trek's Borg stems at least partially from the fact that they are zombie cyborgs. IN SPACE!.
"The Web of Fear" has probably the most extreme example in the Doctor Who Classic series: Eldritch Abomination-controlled robotic Yeti that produce spiderwebs fighting the British army in the London Underground.
"The Space Pirates" has cowboy pirate astronauts, as does the audio drama "Return of the Rocket Men".
Madam Vastra, a hot lesbian Victorian samurai lizard with a ninja Cockney maid wife. Also? They Fight Crime.
The Big Finish Doctor Who audios have a nearly literal example in recurring villain Nimrod, a vampire cyborg mad scientist in a suit of polycarbide Powered Armor (basically the same thing the Daleks wear, only built for a human).
Hiccups mentions a 'fantasy-romance' novel involving a robot and werewolf pirates.
The Another blatant Power Rangers knock-off - Tattooed Teenage Alien Fighters From Beverly Hills.
The 1978 made for TV movie KISS Meets The Phantom of the Park (titled Attack of the Phantoms in Europe) features the 70's rockers as superheroes who draw their powers from a set of ancient talismans battling an army of superpowered androids (including robot clones of themselves in the grand finale) created by a Mad Scientist in the middle of an amusement park to a groovy disco soundtrack, all because said scientist thought holding a concert in the park was a waste of company resources.
Season 5 also had Cyborg Ninja Assassins. And one of them could also hide himself inside a glamour. There's also a passing reference to El Diablo Robotico.
Amnesiac!Cordelia in season 4 refers to Wolfram & Hart as an "evil ninja law firm".
Ultraman, who is an intergalactic policeman, looking like somewhere between a robot and a fish, that fights aliens and dinosaurs by using greco-roman wrestling, rings of death shaped like buzzsaws and his hands being used as a watergun, among other things. He occasionally deals with the Baltans, a race of psychicninja alien lobsters.
One episode of The Armando Ianucci Shows [sic] involved the line: "My job is to make sure that the sharks are properly fastened to the airplane wings." I want that man's job.
One of Lister's favourite movies in Red Dwarf is "Attack of the Surfboarding Killer Bikini Vampire Girls"
The Spike reality show Deadliest Warrior is based on this trope. They match up the best warriors throughout history and attempt to determine who would win with SCIENCE! So far Pirate beats Knight, Spartan beats Ninja, Samurai beats Viking, and Apache beats Gladiator.
In The Vampire Diaries (Major spoiler), Klaus is a suppressed werewolf/vampire hybrid, whose goal is to unbind his werewolf half and create a new race of his own. Not to mention he's also one of the five original vampires (his werewolf side is because he was the product of an affair his mother had with a werewolf).
Tyler is a werewolf-vampire hybrid, and as of season 4 he's the only one left of his kind.
The Kaizoku Sentai Gokaiger can transform into any previous sentai. This leads to priates turning into ninjas and samurai among other things. Their Mecha Gokai-Oh is a more straight example, as it's a pirate robot that can turn into, among other things, a dragon pirate robot, a police pirate robot with gatling guns, a pirate robot centaur with a giant mechanical lion for it's lower body, a samurai pirate robot and a ninja pirate robot.