Aol.com has a lot of classic TV shows now you can watch for free. Fullscreen. Works pretty well.
Good for you people on the go. Can watch from anywhere on your windows machine as long as you have broadband
No registration required or anything.
They pay for it by inserting new paid commercials in the shows. And it's like only one per break and one before
http://television.aol.com/in2tv

The shows are organized into six genre-themed channels (with two more to launch this summer), including:

- LOL TV: Laugh Out Loud with everyone's favorite comedies from Welcome Back, Kotter, which made a household name out of John Travolta to the slapstick antics of Cousin Balkai and Larry in Perfect Strangers as well as the Emmy-winning Chico and the Man, Hangin' With Mr. Cooper and Head of the Class.

- Dramarama TV: Fans will enjoy the unaired "lost" pilot of juicy soap Falcon Crest and all the drama of five-time Emmy nominated Sisters, plus there's Scarecrow and Mrs. King, Spenser: For Hire and the family favorite Eight Is Enough.

- Toon Topia TV: Kids and adults alike will flock to animated fare such as Beetlejuice, Steven Spielberg Presents Pinky and the Brain and Freakazoid, The New Adventures of Batman, and Histeria!

- Heroes and Horrors TV: Sci-Fi and Horror come together in heroic proportions with Lois & Clark: The New Adventures of Superman, Babylon 5, Wonder Woman, V and Freddy's Nightmares.

- What a Rush TV: Rev up for plenty of action-adventure when East meets West in Kung Fu, plus La Femme Nikita, The Adventures of Brisco County, Jr., Dark Justice and The Fugitive.

- Vintage TV: Fans find all-time favorites such as Growing Pains with heartthrob Kirk Cameron, F-Troop, The F.B.I., Maverick and Alice.