New video portal Jaroo.com brings together a lot of cartoons from our youth, like Jayce and the Wheeled Warriors or Ulysses in the 31st Century, and lets you watch them for free in your browser. If you sort through the list of shows currently carried by the service, you'll stumble upon a few videogame themed "classics" that you may want to go back and check out again.
Looking for old episodes of The Legend of Zelda? do you remember the Super Mario Bros show fondly? Just be prepared to have some of your nostalgic memories shattered a little... they're not really as good as we remember them being.
While the service does not currently carry full seasons, there are quite a few individual episodes of each show, and Cookie Jar Entertainment, the company that owns Jaroo (and also produces many of the show it carries) promises that more will be posted in future.