Dr. Bekker says to tell Dr. Van Eeghen that Finland won the World Cup. This is either a difference from our world, or perhaps more likely a cruel joke (Dr. Bekker does not seem to have much respect for Dr. Van Eeghen). In our world, Finland's national football team has infamously never even qualified for a finals tournament of the World Cup.
Livinia Nixon, who plays the female morning show host Pam Jolly, is in fact a popular Australian host and weather presenter on the GTV-9 network.
The song 'This Love Is Over', by Ray LaMontagne and The Pariah Dogs plays over the opening credits sequence for this one episode only.
Bruce, the G'Day Melbourne host, says the theme of this year's Spring Fashion Ball was "under the sea," continuing the season's flood references.
Ironically, if the viewer freeze frames Matt's book when Kevin is reading it in the hotel room, much of it is about Kevin going to Laurie in "A Most Powerful Adversary" and Laurie trying to tell Kevin that he is suffering a delusion. Although Matt's text is dismissive of Laurie, claiming that "her knowledge of the mind had limited her knowledge of the spirit," later events in this episode make it seem that Laurie might well have been correct.
The G'Day Melbourne morning show is fictional. (Coincidentally, there was a morning show entitled Good Morning Melbourne which ran from 1981 to 1988 on Network Ten.)
Chief Inspector Kevin Yarborough's hometown Makarra appears to be fictional, like Kurripa in the prior episode (as well as Mapleton and Jarden).
Dr. Van Eeghen, the inventor of the LADR machine, is named after series editor Henk Van Eeghen.
Dr. Eden speaks in Dutch when not conversing in English, whereas Dr. Bekker speaks in Russian (presumably they understand each other, but are more comfortable speaking in their respective native tongues).
Nora references Jesus Christ Superstar, Andrew Lloyd Webber and Tim Rice's 1970 stage musical based on the life of Christ.
Nora says she has Global Entry, a US Customs and Border Patrol service that allows pre-approved travelers to receive expedited clearance upon arrival in the US, as well as access to expedited screening via TSA PreCheck when leaving the country for certain international destinations.