Even better: Kevin Murphy would later help mock that film with two other MST3K alumni on RiffTrax.
By the way, in case you were wondering, Joel may have been referring to the 1953 version of Titanic, making the foreshadow coincidental.
An early joke in the film where Tommy Kirk's character dumbly keeps saying "Girls..." as his friend is trying to tell him about Catalina is interrupted by Joel slyly slipping in "Guys." A few years after the episode aired, Tommy Kirk came out in an interview for Filmfax magazine, though his homosexuality had always been something of an open secret in Hollywood even before that.
Charlie: "Come on, tiger, we'd better split to dry land."
Servo: "[as Don] Don't call me that here, bunny, please!"