When Topanga carries Cory over the "threshold" in their Hawaii room, you can see a mysterious hand on the curtains for a second before it disappears behind the window.
While Eric is following Cory and Topanga on their honeymoon he says something about his sister and new brother-in-law. He is really referring to his brother and new sister-in-law.
Topanga: Last night was our first night together as man and wife.
Mrs. Nelson: He still sleeping?
Topanga: Yeah. I wore him out.
Eric: (speaking into a tape recorder) Honeymoon, day two. Continuing duties as best man. Screwed up wedding night, so I must make it up to them here in paradise... Boy it's hot... I'm losing my train of thought... I've decided to pass out. (Eric passes out)
Announcer: Attention Katankin guests. Will the couple that left their dog in the piranha tank please come claim it's collar?
Eric: Alright, how is it this hot when there's no sun out?!
Mrs. Nelson: I don't like the cold.
Cory: Me neither. In fact I'm cold right now.
Topanga: Cory, it's 92 degrees.
Cory: I'm very cold. Why don't we go in the bedroom and go under the covers like we did before.
Topanga: Cory, we're married now. We can do it every night for the rest of your life.
Mr. Nelson: Get it in writing kid.
Although credited, Maitland Ward (Rachel McGuire) and Matthew Lawrence (Jack Hunter) do not appear in this episode.
Title: The Honeymooners
The Honeymooners is a classic TV show from the 1950s starring Jackie Gleason.
A woman says to her husband, "Look it's a talking coconut" because she saw Eric disguised as a coconut and the husband says "Gladys coconuts don't talk"
On the show Bewitched the neighbor named Gladys always saw weird things going on and her husband thought she was crazy.