Ultimate Survival Alaska Fork in the River Ultimate Survival Alaska Site Endurance makes a choice, which may make or break their chance to win the race. Info Check your local listings. Ultimate Survival Alaska: Fork in the River Endurance makes a choice, which may make or break their chance to win the race. Share Share this URL: Or you can use the code below to embed the video. The code updates if you change the width/height. Minimum dimensions are 320x211 pixels. <iframe width="640" height="391" src="http://channel.nationalgeographic.com/channel/ultimate-survival-alaska/videos/fork-in-the-river/embed/" frameborder="0" scrolling="no" allowfullscreen></iframe> Width: px Height: px 1 comments   Get Livefyre FAQ Sign in + Follow Post comment Link Newest | Oldest Tiago Silva 5pts Very good video. This program looks very intersting. I like adventure and competitions.