The heart of Know the Code are the hands-on building labs, as this is where you get to practice while learning. Labs can be a single video or multiple episode series. The multi-episode labs are being broken up into separate pages, where one episode is on one page. You can access each episode using the Episode Playlist.
The green square checkbox on the left side indicates that you previously marked this episode as “Watched”.
The 05:51 on the right side is the video runtime for this particular episode. It’s provided to help you gauge the time you will need for this episode.