Ry and Payton return from their adventure under the Walt Disney World underground only to get pulled back in time to the 1960s where Jackie Kennedy is hosting auditions for the next "Happy Birthday Mr. President" singer. Singers like Cher, Billie Eilish, Ariana Grande, and Broadway's Patti Lupone are there to audition. Also some guy from the future named Walker? But why are Detective Payton and Ry there? Unless, of cours, there is a murder?