When Matt (Jon Hamm) is talking to Joe about his past, Matt says that Joe would never guess what his real job was. Joe replies "Marketing person?" Hamm played a creative/marketing executive in Mad Men.
When the lady in prep for surgery watches TV, the news scroll briefly mentions PM Michael Callow filing for divorce. When Potter zapps through the channels, the news chain UKN appear.
The song "Anyone Who Knows What Love Is (Will Understand)" is sung in the karaoke scene ; Abi sings it on the TV show "Hot Shot". When Joe zaps through the channels, the TV show "Hot Shot" is seen.