Timon and Pumbaa Rewind Ice Age 2
Once Timon finishes his backstory, Ma, Uncle Max, Simba, Rafiki, and eventually many Disney characters join him and Pumbaa to rewatch Ice Age 2 in the theater in which Pumbaa tells Timon that he still doesn't do well in crowds.
I Used The Song that Randy Newman Sung.
It's Called "You've got a Friend in Me" from Toy Story.