Pixar has been entertaining everybody - young and old - since 1986.
From classic movies like Toy Story to short films like Geri's Game, it is undeniably one of the world's favourite animation studios.
So in celebration of their latest release, Brave, we've compiled a chart of Pixar's best loved trailers based on the number of times they have been shared on Facebook, Twitter and the blogosphere.
Below is the top 10, but if you would like to see the full list, click here.
10. Toy Story 2 (1999)