1-2-3 Imagine!

Big Bird and the Sesame Street gang join their friend Sam the mail carrier as the use their imaginations to go to many places(usually the pictures on their postcard). In the original 1996 version, the mail carrier was a boy, in the 2002 version, it was a girl known as Samantha(or still Sam for short).

the cast: Big Bird, Elmo, Oscar, Zoe, Rosita, Barkley, Roxy, Bert, Ernie, Cookie Monster, Baby Bear, Grover, Prarrie Dawn, blue Honker, orange Honker, Phoebe(original version, the green girl), and Sam(Samantha) the mail carrier.