King of Queens' plot is about the overweight courier "Doug" who is married to the legal secretary "Carrie", whose father, "Arthur", moves into their basement. The main topics of the series are "Doug's" weight issues, the marriage between "Doug" and "Carrie" and their nagging housemate "Arthur".
In King of Queens, "Carrie Spooner" actually has a sister named "Sara". Lisa Rieffel played this role in the first six episodes. Initially "Carrie's" sister even was meant to be one of the lead roles. However, after the sixth episode, "Sara" was completely written out of the series. Later on, "Carrie" is even called a only child every once in a while.
Kevin James' real name is actually Kevin George Knipfing, as his father descends from German ancestors!
In the series finale of King Of Queens, "Arthur Spooner" (Jerry Stiller) marries the mother of "Spence". What a beautiful ending, considering "Spence's" mother is played by Anne Meara — who was married to Jerry Stiller in real life as well. The couple led a happy marriage for entire 61 years, until Anne died in May of 2015.
Angelo Pagan was actually featured in King of Queens several times alongside Leah Remini. No matter what role he played - it always crackled a little between them. No surprise! Angelo and Leah are happily married since 2003 and proud parents of a daughter.
Jerry Stiller portrays "Arthur Spooner", the father of "Carrie" in the series . In fact, Jerry Stiller has another prominent offspring: Jerry is the father of actor, director and producer Ben Stiller! Ben Stiller and his sister Amy even played smaller roles in King of Queens.
Kevin James' wife Steffiana de la Cruz featured in King of Queens several times as well - for example as a masseuse, a manicurist or a barkeeper. James also helped his wife get a part in Paul Blart - Mall Cop.
On the set of King of Queens the actors were allowed to bring their dogs - but only, if these were well trained!
Gary Valentine played "Doug's" cousin "Danny Heffernan" in the series. However, the similarity is not without any reason: In real life, the two actors are actually brothers!
In the series King of Queens Leah Remini appeared a bit more corpulent for a while. The reason for this, however, is quite simple: In 2004, Leah was pregnant, expecting a daughter!