The full text of the movie poster in the train station reads: "Pirates of the Caribbean 6, The Haunted Crow's Nest, or Something, Who Gives a Crap, Now Playing Everywhere Forever".
The song playing at the party at the Museum of Human Misery is a jazzy instrumental version of "Grandma Got Run Over by a Reindeer", which was played repeatedly at the destruction party of the fake Good Place.
One of the actual originators of Ultimate Frisbee was Joel Silver, a producer who worked on Veronica Mars (2004) with Kristen Bell. He also worked as a producer on several well-known films, from Die Hard movies to The Matrix trilogy.
Tahani is constantly name-dropping all the famous people she knew when she was alive. Here she mentions Baz Luhrmann, Johnny Depp, and John Wayne, who she could not have known before his death. Her robot version even mentions Elon Musk.