If you have a few years behind you, think about what TV was like when you were a kid. The landscape has changed a lot since then. Those changes came about because someone somewhere took a chance and did something different, whether it was a method of production, an experimental format, imaginative casting, our writing that pushed the envelope. Vox takes us through 25 episodes of TV series that broke new ground, in chronological order, with an explanation for each and a link to watch when a video is available. -via Digg