The rec.arts.tv FAQ:

Usenet Group:                   Description (TV shows involved, etc.):
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alt.tv                           The general discussion group for television: 
                                    all shows, all kinds, all countries; 
                                    however, the main TV usenet group 
                                    is rec.arts.tv: use it instead; 
                                    alt.tv is a minor group
alt.tv.broadcasting              Discussion of the issues surrounding TV 
                                    broadcasting, such as Digital TV and 
                                    HDTV
alt.tv.commercials               Discussion of all the TV ads the people 
                                    love to love, and love to hate
alt.tv.daytime-shows             Broad discussion of all TV shows aired 
                                    in the daytime, especially daytime talk 
                                    shows  (NOTE: Game show discussion is 
                                    best routed to alt.tv.game-shows; 
                                    discussion of daytime sopa operas should go 
                                    to the rec.arts.tv.soaps.* hierarchy.)
alt.tv.game-shows                Discussion of various game and quiz 
                                    shows  (e.g. The Wheel of Fortune, 
                                    Jeopardy, etc.)
alt.tv.game-shows.price-is-right Discussion specifically dedicated to the 
                                    game show The Price Is Right
alt.tv.infomercials              Discussion?! about those TV sales 
                                    pitches
alt.tv.news-shows                Discussion of D, Peter, Tom, CNN and all 
                                    the manifold TV news shows, primetime 
                                    or otherwise
alt.tv.pirate                    Discussion of "pirate" TV
alt.tv.public-access             Discussion of public-access cable shows
alt.tv.rca.dss                   A groups devoted to the discusion of 
                                    RCA's new Dolby Surround Sound home 
                                    TV system
alt.tv.reality                   Discussion of the "reality" TV genre
alt.tv.sitcom                    Discussion about the entire genre of 
                                    TV situation comedies, and all the 
                                    shows in the genre
                                    (NOTE: Parallel discussion takes 
                                    place in rec.arts.tv.)
alt.tv.sports                    Discussion of any and all televised 
                                    sporting events
alt.tv.talkshows                 Discussion of the various kinds of talkshows
alt.tv.talkshows.daytime         Discussion of Oprah, Geraldo, and their
                                    ever-changing ilk on a TV station 
                                    near you
alt.tv.talkshows.late            Discussion of late night TV talk shows 
                                    including NBC's The Tonight Show with 
                                    Jay Leno, Late Night with Conan 
                                    O'Brien; CBS's The Late Show with 
                                    David Letterman, The Late, Late Show 
                                    with Tom Snyder, etc.
alt.tv.tech.hdtv                 Discussion of "Digital TV" and the new 
                                    "High Definition TV" (HDTV) format
alt.tv.tech.misc                 Miscellaneous discussion of the 
                                    technical side of televison
alt.tv.tech.plain-tv             Discussion of the "Analog" TV format
alt.tv.voice-artists             Discussion of TV's voice artists, etc.
alt.tv.webtv                     Discussion of the WebTV service

Usenet Group:                   Description (TV shows involved, etc.):
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alt.tv.cartoon-network           Discussion of the cable channel The 
                                    Cartoon Network, and relevant programs
alt.tv.cartoon-network.toonami   Discussion of The Cartoon Network's 
                                    cartoon block: Toonami
alt.tv.comedy-central            Discussion of the low-ball cable comedy 
                                    network Comedy Central
alt.tv.comedy-central.daily-show Discussion of Comedy Central's "news"
                                    prorgam: The Daily Show
alt.tv.cartoon-network           Discussion of the cable channel The 
                                    Cartoon Network, and related shows
alt.tv.court-tv                  Discussion of the cable channel,  
                                    Court TV, and relevant programs
alt.tv.discovery                 Discussion of the cable channel The 
                                    Discovery Channel, and related shows
alt.tv.discovery.canada          Discussion of the Canadian cable channel 
                                    The Discovery Channel, and related 
                                    shows
alt.tv.food-network              Discussion of the cable channel, The 
                                    Food Network, and relevant programs
alt.tv.hbo                       Discussion of the premium (pay) cable channel,  
                                    HBO, and related shows
alt.tv.mtv                       Discussion of the cable music network 
                                    MTV, and included shows
alt.tv.mtv-europe                Discussion of Europe's cable music network 
                                    MTV Europe, and included shows
alt.tv.nbc-sucks                 A newsgroup dedicated to criticism of 
                                    the U.S. TV network, NBC, and its programs
alt.tv.networks.cbc              Discussion of the Canadian television
                                    network, and related programs
alt.tv.networks.tvfood           Apparently, discussion of cable networks 
                                    devoted to food, such as The Food 
                                    Network
alt.tv.nickelodeon               Discussion of kids' cable network 
                                    Nickelodeon
alt.tv.nick-at-nite              Discussion of the cable channel 
                                    Nickelodeon's primetime schedule, 
                                    "Nick at Nite", as well as the new 
                                    _TV Land_ cable channel
alt.tv.scifi.channel             Discussion of cable's network devoted to 
                                    science-fiction, fantasy & horror:
                                    The Sci-Fi Channel
alt.tv.showtime                  Discussion of the premium (pay) cable channel,  
                                    Showtime, and related shows

Usenet Group:                   Description (TV shows involved, etc.):
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alt.tv.aaron-spelling            Discussion of all current & past shows from
                                    the prolific TV Producer, Aaron Spelling
alt.tv.scott-bakula              Discussion of all current and past shows 
                                    with popular actor, Scott Bakula
alt.tv.alt.tv.shaggable.babes    Discussion of the hottest and most attractive 
                                    women on television
alt.tv.stars.d-fishel            Discussion of former Boy Meets World co-star 
                                    Danielle Fishel