The theme song "Living a Double Life" was sung by Kira Kosarin (Phoebe) and Jack Griffo (Max).
In every episode Nora wears a bow.
In one episode Max (Jack Griffo) is dating Allison (Ryan Newman) who in real life was in a relationship at the time.
It is said in one episode that Phoebe is 20 seconds older than Max.
There are many references to the 1994 sitcom "Friends". In one episode, Phoebe says her name is Monica and Max is Ross, (the Geller siblings) Also there is a character named Phoebe Buffay on the show. As to that, in the 2017 special "Thunder in Paradise", it is revealed Phoebe's full name is Phoebe Monica Rachel Thunderman. (Those are the names of the three female protagonists in the show).