Can you watch the fourth season of "Wicked Tuna" online?

Full episodes of the fourth season of the TV series "Wicked Tuna" are available for viewing on the National Geographic Channel website. The third season is also available, but as of May 2015, full episodes of the first and second seasons are not.

"Wicked Tuna" follows a group of fishermen from the Massachusetts seaport of Gloucester, the oldest seaport in the country. The fishermen use traditional methods of rod and reel fishing in their hunt for bluefin tuna, catching one fish at a time. The largest examples of bluefin tuna can earn the fishermen over $20,000, making the competition extremely fierce.