Critical Role: Call of Cthulhu: Shadow of the Crystal Palace [one-shot] Season 2, Ep 10000
Set in 1890 in London's Crystal Palace, the Cat Club is hosting its annual cat show. Several nights before the show, a meeting for the owners is held. Six of them have actually entered their cats with the ulterior motive of gaining late night access to the Crystal Palace. They have been hired by Rupert Merriweather, a young American man with an interest in the occult, to sneak into the Palace's closed exhibits and retrieve an ancient casket for him.