Rosebud (The Simpsons) for his childhood bear, Bobo, lead to a show-long parody of "Citizen Kane". At once a satire and a tribute, the episode manages to both humanize Mr. Burns and delve deep into Homer's love for his oft-forgotten second daughter, Maggie." In his book "Planet Simpson", author Chris Turner listed "Rosebud" as one of his five favorite episodes of "The Simpsons", calling the episode "genius". He added that the Ramones gave "possibly the finest guest musical performances ever." David Silverman and Matt Groening describe the sequence where Homer eats 64 slices of American cheese as "one of the most hilarious segments
Animation in the United States in the television era pressure from Columbia Pictures (who was itself under pressure from the HUAC). The creative atmosphere post-Hubley was not the same and UPA's theatrical shorts ended in 1959. In order to stay afloat financially, UPA turned to television to sustain itself. The TV versions of "Mister Magoo" and "Dick Tracy" were not successful and did nothing to reverse the studio's financial decline. In spite of the 1962 animated feature "Gay Purr-ee" (distributed by Warner Bros.), which featured the voices of Judy Garland and Robert Goulet and a Harold Arlen/Yip Harburg song score, and the beloved animated special "Mr. Magoo's Christmas Carol",