Boo Moon is a classic 1950s animation short featuring Casper the Friendly Ghost. It begins with Casper emerging from a subway station following a crowd of scared strangers. He finds a man offering a look at the moon through a telescope and approaches him but scares him away. Casper looks through the telescope and sees the smiling man on the moon and decides to go there for a visit. Boo Moon is a theatrical cartoon short that was released on January 1, 1954 in 3D format as a Stereotoon. It was produced by Famous Studios for the Casper the Friendly Ghost series and distributed by Paramount Pictures.