Every year LOST does a clip show to get everybody up to speed. It's all just rehash, but it can be helpful to review what has already come. Sometimes I watch, sometimes not, but I do know that some people who read this blog go into "60,000 words on a TV show eyes glaze over now" mode whenever they see the word LOST every Thursday.
I figure this is a public service to them. If you want to know what I'm yammering about each week, here is . . . LOST Recap.