While waiting for Richard to finish showering, Cathy jokingly calls him Esther Williams, the former competitive swimmer and actress who made several movies in the 1940s and 50s that showcased her talents as a swimmer.
Patty recites the line "I want to hold your hand" while reading a book with Freddy. The line, of course, is the title of the iconic song written by John Lennon and Paul McCartney and recorded by The Beatles in October 1963.