Top 100 Viral Videos of the Year 2015

2015 has been the best year so far for viral videos on YouTube. From pizza rat to the boston fisherman catching a baby "whale," our Top 100 viral videos of 2015 has the most viewed clips of the year. So, sit back and enjoy the most popular YouTube videos of 20152015 has been the best year so far for viral videos on YouTube. From pizza rat to the boston fisherman catching a baby "whale," our Top 100 viral videos of 2015 has the most viewed clips of the year. So, sit back and enjoy the most popular YouTube videos of 2015