My Friends Tigger & Pooh - Season 1 Episode 11 -

When Eeyore goes unseen for several days, Piglet and Eeyore become concerned about him. They and the Super Sleuths discover him moping at the top of a hill. They learn that he's especially unhappy because they fall has come and he can no longer roll in his favorite field of dandelions. They decide to try a variety of ways to cheer him up.