Timeless Tales from Hallmark
Timeless Tales from Hallmark is a series of animated fairy tale adaptations produced by Hanna-Barbera and Hallmark Cards. Eight half-hour stories were produced for VHS distribution in 1990 and 1991.

The Kingdom of Oaf is about to be attacked, but the Emperor is much too concerned with his spiffy new "invisible wardrobe" to notice. When the royal subjects finally admit that His Highness is wearing no clothes, the Emperor is embarrassed, but the kingdom is surprisingly saved.