Its revealed Josh and Emily have been married for seven years.
The episode's title is a reference to that of the 1980 film of the same name.
The names of the competitor teams during the Sandcastle Contest are: Pearle's Girls, Sandcassholes, Poseidon's Posse, Sandmaster Flash (a reference to the musical pioneer), The Dune Goons, The Bucketeers, Sandsational, The Kelping Hands, Sanders Commanders, Sand Surgeons, Too High to Think of a Name, Sandalay Industries (a reference to George Costanza' fake company; Vandelay Industries from 'Seinfeld'), The Sand-Tastic Four (a reference to Marvel's Fantastic Four), Beach Bitches for Life, The Speedo Demons and L.A County Notary Publics