Lead actress, Esther Williams married her leading man, Fernando Lamas 16 years after Dangerous When Wet (1953) was filmed in Europe in 1967, and remained so until Lamas's death in 1982. Esther Williams was married to her second (of four husbands), Ben Gage, while this film was in production.
Gene Siskel cited this as one of his favorite films as a child, and that as an adult he would sing "I Got Out of Bed on the Right Side" to himself to get through stressful situations.
An excerpt from Dangerous When Wet (1953) appears in The Tender Trap (1955), starring Debbie Reynolds and Frank Sinatra. When Reynolds is trying to avoid necking with Sinatra, she turns on the TV and they watch a scene of the movie in which Esther Williams and Fernando Lamas swim and kiss.
Cartoon mouse Jerry had previously appeared almost a decade earlier in the MGM musical Anchors Aweigh (1945) with Gene Kelly.
The English Channel, also known as simply the Channel (or historically as the British Channel, is an arm of the Atlantic Ocean that separates Southern England from northern France. It links to the southern part of the North Sea by the Strait of Dover at its northeastern end.