Finding Nemo Cameo
During the scene where the humans are catching salmon there is a very brief cameo by Nemo from Finding Nemo.
When the humans are in the stream catching salmon with a net there is a brief cameo from Nemo from Finding Nemo. Right after the elephant hits the net and the fish are falling out, Nemo can be seen falling out of the net.
In order to catch this easter egg viewers are advised to go frame by frame, as it can be missed in a split second.