A bus enthusiast appears as a extra onboard the North South Line C651 (213/214), originally (221/222), retired during the SAG-AFTRA strike, is onboard with Rue and Cassie from Marsiling to Jurong East, the same bus enthusiast appears onboard the East West Line C151 (087/088), stand-in for (045/046), retired during the COVID-19 pandemic in June 2020, also onboard with Rue and Cassie, from Jurong East to Outram Park.
An advertisement of American Airlines, Delta, and several US carriers can be seen onboard each subway train and Bus. American Airlines, Delta, and several US carriers doesn't serve Singapore, as it was filmed there, as it was stand-in to the US, as United only serves Singapore, from San Francisco, and several US cities via Singapore Airlines.
There are several advertisements about Singapore. Many stores appearing in Singapore, along with outlets, including advertisements, doesn't exist in the US.
The subway station names are always in English. However, they're filmed in Singapore and they're using Chinese, Malay, and Tamil, which they're aren't official languages in the US.
When Maddy and Rue, including her friends riding on the North South Line C151 (061/062) from Orchard to Raffles Place (City Hall for Rue), if the two seconds of nothingness happens after the trains leaves Orchard, since Singapore has Misuse of Drugs Act, How will Rue commit two seconds of nothingness? Is this because of the dance party in ION Orchard that ends with the Police raiding the mall? But there are certain reasons of nothingness playing the background on the Singapore MRT sometimes.
There is certain construction on the Cross Island Line. This episode is set to April 2019, and Cross Island Line construction started in 2020.
The Volvo B8L Wright, PD169L, was seen on roads in Pasir Ris, Yishun, and Marina Bay. This episode is set to April 2019, but it was SG4003D prior to June 27, 2020, and it was re-registered to A&S Transit from SBS Transit in June 2022.
The Thomson East Coast Line signs at several MRT maps, including Canberra station, can be seen. This episode is set to April 2019, but the MRT map was not updated on December 11, 2019, which Canberra station was open on November 2, 2019, and Thomson East Coast Line was opened in stages on January 31, 2020, August 28, 2021, November 13, 2022, and June 23, 2024.
Yutong E12 and E12DD buses are seen in Tampines. This episode is set to April 2019, and these buses did enter service on April 3, 2020, and October 27, 2020, respectively.
The BYD K9 Gemilang buses are seen in Downtown. This episode is set to April 2019, and it did enter service on July 29, 2020.