During the roller-coaster ride, Lori Ann Schmidt (Lisa Kudrow) told Kimmy (Ellie Kemper) that she was 17 when she had Kimmy. In real life, Lisa Kudrow is about 17 years older than than Ellie Kemper.
When Titus is panicking in the car, he references the Little Mermaid. Tituss Burgess played Sebastian in The Little Mermaid on Broadway in 2007.
As Lillian is reading Kimmy's mail, she mentions that "Leah Remini joined Gretchen's church." In a previous episode, Kimmy challenged Gretchen to form her own cult, so Gretchen is clearly recruiting more high-profile followers if she landed celebrity Leah Remini, who in real life has gained notoriety as a member of the Church of Scientology who left the "church" and then repeatedly attempted to expose the organization as a cult that abuses and controls its members.
"Bobby" Durst makes another appearance, in drag, as "Robertina" Durst. The real Robert Durst posed as a woman named Dorothy Ciner while hiding out during the murder investigation in which he has remained the prime suspect.