McGarrett mentions the MMA match between Randy Couture and James Tony in 2010. Randy Couture plays recurring character Jason Duclair.
The ring worn by Larry Manetti is the same one worn by his character Orville "Rick" Wright on Magnum, P.I. (1980). It depicted a Cross of Lorraine and was known as the team ring. It was worn by Rick, Magnum, and TC.
It is shown on this episode that Max is of the Jewish Faith.