packs up her belongings and prepares to leave Ponyville, deciding to let Cheese take her place. She is stopped by Rainbow Dash and her other friends, who apologize for neglecting her, but Pinkie counters that it is her fault instead, apologizing for her destructive pride. However, her friends affirm that, while both are talented party planners, Cheese could never replace her as their friend. Cheese arrives and apologizes as well, assuring that he never meant any harm, but rather wanted to impress her with his partying; he confesses that, contrary to his previous claims of being a partier all his life, he was extremely shy as a colt until he stumbled upon a party thrown by Pinkie, which inspired him to become a party planner. Pinkie and Cheese make amends and work together to throw Rainbow Dash a party before Cheese departs, leaving Pinkie his valued rubber chicken "Boneless" as a gift. Production The episode was first teased by Hasbro Vice President of Development Mike Vogel during a panel at San Diego Comic Con International in July 2013, where he hinted about a musical season 4 episode where "somebody will give [Pinkie Pie] a run for her partying money." The involvement of "Weird Al" Yankovic in the episode stemmed from a Twitter post by the parody musician, where he had linked to a user-created music video with scenes from Friendship Is Magic episodes set to "Polkarama!", one of his polka medleys. The tweet was discovered by co-executive producer Jayson Thiessen, who posted a reply asking the musician if he would be interested in the idea of guest voicing a character on the show since "Weird Al and My Little Pony seem to go together really well." After being met with a positive response from fans of the series, Thiessen received a private message from Yankovic about a year later, expressing his interest in participating. In the episode, Yankovic voiced a character named Cheese Sandwich, who is portrayed as being a rival to Pinkie Pie in the realm of party service. In a Reddit "Ask me Anything" on the release of his subsequent album, Mandatory Fun, Yankovic stated that he "had a blast" performing as Cheese Sandwich and was "extremely happy" with the episode, and would be glad to reprise the role if the showrunners asked. Yankovic would later reprise the character in 2019 for the season 9 episode "The Last