You've seen it frequently on television, so it likely was started here or named from one of these TV shows.
Series
- Babylon 5
- All Love Is Unrequited
- Death of Personality
- Nothing Is the Same Anymore
- Traveling at the Speed of Plot (via a question posed to series creator J. Michael Straczynski)
- Touched by Vorlons
- Voice of the Resistance
- Wham Episode (also coined by J. Michael Straczynski when describing certain episodes)
- Doctor Who
- Aliens of London
- Bigger on the Inside
- The Brigadier
- Changed My Jumper ("The Unquiet Dead")
- Doctor Whomage
- Emergency Temporal Shift ("Doomsday")
- Everybody Lives ("The Doctor Dances")
- Five Rounds Rapid ("The Dæmons")
- Immune to Bullets
- Mind Probe
- The Missus and the Ex ("School Reunion")
- The Nth Doctor
- Perception Filter
- Reverse Polarity
- A Shared Suffering ("The Doctor's Daughter")
- The Slow Path ("The Girl in the Fireplace")
- Time and Relative Dimensions in Space (TARDIS)
- Time Lord
- Timey-Wimey Ball ("Blink")
- Herman's Head
- Idiot Ball (coined by actor Hank Azaria)
- Mystery Science Theater 3000
- And His Eyes Open (from the MST3K take on Space Mutiny)
- Dull Surprise (from Alien from L.A.)
- The Freelance Shame Squad (from Jack Frost)
- Just Eat Gilligan (directly referencing Gilligan's Island)
- Keep Circulating the Tapes
- Kung-Foley
- The Load (from the episode The Mole People)
- Mike Nelson, Destroyer of Worlds
- The Mountains of Illinois (from Beginning of the End)
- MST
- MST3K Mantra
- Next Sunday A.D.
- Nightmare Fuel (from Santa Claus (1959))
- Railing Kill (from the MST3K take on Space Mutiny)
- Robot Roll Call
- Power Rangers
Star Trek
- Star Trek: The Next Generation
- Star Trek: The Original Series
- Beam Me Up, Scotty!
- Captain's Log
- Chekov's Gun (not to be confused with Chekhov's Gun)
- Computer Voice
- Deflector Shields
- Fascinating Eyebrow
- The Federation
- He's Dead, Jim
- I Am Not Leonard Nimoy
- I Am Not Spock
- I'm a Doctor, Not a Placeholder
- Inertial Dampening
- In the Original Klingon
- The Kirk
- Kirk's Rock
- Kirk Summation
- Klingon Scientists Get No Respect
- Klingons Love Shakespeare
- Mary Sue (via a 1973 Star Trek Fan Fic that parodied the trend of making these.)
- The McCoy
- Mirror Universe
- Nerds Speak Klingon
- The Original Series
- Pardon My Klingon
- Planet of Hats
- Red Shirt
- Scotty Time
- Shut Up, Kirk!
- Slash Fic (From Kirk/Spock)
- The Spock
- Spock Speak
- Star Trek Shake
- Straw Vulcan
- Theiss Titillation Theory
- Trekkie
- Wagon Train to the Stars
- We Come in Peace — Shoot to Kill
- Star Trek: Voyager
Stargate-verse
- The X-Files
- Agent Mulder
- Agent Scully
- The Chris Carter Effect
- Myth Arc
- Scully Box (production lingo; named for the boxes on which actress Gillian Anderson had to stand during scenes with David Duchovny)
- Scully Syndrome
- Shipping
- Unresolved Sexual Tension - At least according to The Other Wiki, which claims that the term was invented on X-Files internet forums in the 1990s.
