Having watched them doesn't mean they still have great value to me. Some I've grown to dislike. But many are still quite important.

Significant

• Star Trek:
  • The Next Generation
  • Deep Space Nine
  • Voyager
  • Enterprise
  • The Original Series (partially)
• Stargate:
  • SG1
  • Atlantis
• Smallville
• The X Files
• Doctor Who
• Supernatural (partially)
• Supergirl (current!)

Other scifi

• Buffy the Vampire Slayer
• Warehouse 13
• Mutant X
• The 1OO
• Firefly
• Orphan Black (partially)
• Dollhouse (partially)
• Flashforward (partially)
• Dresden Files (partially)
• Xena (partially)
• Game of Thrones (partially)
• Twin Peaks
• Knight Rider
• Person of Interest

Murder mysteries

• Cold Case
• Inspector Frost (partially)
• Morse (partially)
• Lewis
• Midsomer Murders
• Ms Marple
• Poirot
• Veronica Mars
• Pushing Daisies
• Elementary (partially)
• BBC Sherlock (partially)
• Hawaii five o (partially)
• Criminal Minds (partially)
• CSI: Miami (partially)
• Bones (partially)

Comedy

• Fraiser
• Cheers (partially)
• Scrubs
• F.R.I.E.N.D.S.
• Big Bang Theory
• Community (partially)
• Brooklyn 99

Miscellaneous

• Dallas
• High Chaparral
• McGyver

Cartoons

• Steven Universe
• Avatar
  • The Last Airbender
  • The Legend of Korra
• The Simpsons

Web series

• The Lizzie Bennet Diaries
• Carmilla
• The Guild (partially)

Movies of Note

• Dead Poets Society
• D.E.B.S.
• Rent
• Stonehenge Apocalypse
• Spirit: Stallion of the Cimarron
• X Men franchise
• Avengers franchise
• Astrid Lindgren franchise
• Eragon
• Lord of the Rings franchise
• The Golden Compass
• The Matrix
• V for Vendetta
• Harry Potter franchise
• Star wars franchise
• AI: Artificial Intelligence
• ET: Extraterrestrial
• Close encounters of the third kind
• I, Robot
• Chappie
• Love Actually
• Notting Hill
• Avatar
• Terminator