As far as I know these are CaSe sensitive and generated by Gracenote.
Some are not so useful for filtering/searching, but thought I would seed the list with what I have so far.
If anyone comes across anything new, feel free to add to the list.
Tags
CC
DD 5.1
Delay
DVS
HD 1080i
HDTV
Live
New
Premiere
Season Finale
Season Premiere
Series Finale
Series Premiere
Stereo
Subject to blackout
Tape
Categories
Episode
Miniseries
Movie
Paid Programming
Series
Show
Special
Sports event
Sports non-event
Genres
Action
Action sports
Adults only
Adventure
Aerobics
Agriculture
Alpine skiing
Animals
Animated
Anime
Anthology
Archery
Arm wrestling
Art
Arts/crafts
Auction
Australian rules football
Auto
Auto racing
Aviation
Awards
Badminton
Ballet
Bandy
Baseball
Basketball
Beach soccer
Beach volleyball
Biathlon
Bicycle
Bicycle racing
Billiards
Biography
Blackjack
Boat
Boat racing
Bobsled
Bodybuilding
Bowling
Bowls
Boxing
Bull riding
Bullfighting
Bus./financial
Canoe
Card games
Cheerleading
Children
Children-music
Children-special
Children-talk
Collectibles
Comedy
Comedy drama
Community
Computers
Consumer
Cooking
Cricket
Crime
Crime drama
Cross-country skiing
Curling
Cycling
Dance
Dark comedy
Darts
Debate
Diving
Docudrama
Documentary
Dog racing
Dog show
Dog sled
Drag racing
Drama
Drift racing
Educational
Entertainment
Environment
Equestrian
Erotic
Event
Exercise
Fantasy
Fashion
Fencing
Field hockey
Figure skating
Fishing
Floorball
Football
Freestyle Skiing
French
Fundraiser
Futsal
Gaelic football
Game show
Gaming
Gay/lesbian
Golf
Gymnastics
Handball
Harness racing
Health
Historical drama
History
Hockey
Holiday
Holiday music
Holiday music special
Holiday special
Holiday-children
Holiday-children special
Home improvement
Horror
Horse
Horse racing
House/garden
How-to
Hunting
Hurling
Hydroplane racing
Indoor soccer
Interview
Intl basketball
Intl hockey
Intl soccer
Judo
Kayaking
Lacrosse
Law
Luge
Marathon
Martial arts
Medical
Military
Miniseries
Mixed martial arts
Modern pentathlon
Motorcycle
Motorcycle racing
Motorsports
Mountain biking
Music
Music special
Music talk
Musical
Musical comedy
Mystery
Nature
Netball
News
Newsmagazine
Nordic Combined
Olympics
Opera
Outdoors
Parade
Paranormal
Parenting
Pelota vasca
Performing arts
Playoff sports
Poker
Politics
Polo
Pool
Pro wrestling
Public affairs
Racquet
Reality
Religious
Ringuette
Rodeo
Roller derby
Romance
Romantic comedy
Rowing
Rugby
Rugby league
Rugby union
Running
Sailing
Science
Science fiction
Self improvement
Sepak takraw
Shinty
Shooting
Shopping
Sitcom
Skateboarding
Skating
Skeleton
Ski Jumping
Skiing
Snooker
Snowboarding
Snowmobile
Soap
Soap special
Soap talk
Soccer
Softball
Spanish
Special
Speed skating
Sports event
Sports non-event
Sports related
Sports talk
Squash
Standup
Sumo wrestling
Surfing
Suspense
Swimming
Synchronized swimming
Table tennis
Taekwondo
Talk
Technology
Teleroman
Tennis
Theater
Thriller
Track/field
Travel
Triathlon
Variety
Volleyball
War
Water polo
Water skiing
Watersports
Weather
Weightlifting
Western
Wrestling
Yacht racing