In Pee-Wee's Dream it's Oskar Fischinger's cartoon, "Allegretto" (1936) A short color animated film showing shapes moving and set to a musical score. The shapes are colored and primarily geometric in nature. The cartoon at the end of the show, introduced by Clockey (instead of the King of Cartoons this time), is a portion of the 1935 Ub Iwerks ComiColor short, "The Pincushionman" (aka "Balloon Land").
Globey obtains the secret word in this episode.
Final appearances of Mrs. Rene and Cowboy Curtis, though they would be seen in flashbacks in a later episode.
The secret word in this episode is "SHOW", which was said and screamed at 9 times.