Learning Rails the Zombie Way
If you're new to Rails and want to give it a try, then head over to RailsForZombies.org. Rails for Zombies is a free online course that provides you five labs, each with a short video followed by a series of exercises where you get to code Rails immediately in your browser.
Rails 4: Zombie Outlaws
If you're looking to get your hands dirty with the newest version of Rails, the Rails 4: Zombie Outlaw Videos will give you a taste of the new features and improved syntax. Gregg Pollack and Carlos Souza walk you through what you need to know to start building Rails 4 apps today.
Also checkout the Ruby5 Podcast for keeping up to date with the latest libraries and news from the Rails world.
More free screencasts from Railscasts.com
If the screencast above got you interested in learning more by video, you can find a treasure trove of great content at Railscasts.com. It's all about short, sweet videos that show you how to use various features of Rails and they're done by the same fantastic Ryan Bates that did the video above.