First appearances of Lew Zealand and Beauregard the janitor. Also features the first regular appearance of Louis Kazagger and Muppet Sports , although, Louis had appeared for the train station opening sequence in Loretta Lynn (1978). During the wedding sketch, Robin is seen wearing his Frog Scout troop outfit for the first time, which will be given a name in season 5.
"You're Always Welcome At Our House" is the third song by composer/poet Shel Silverstein to be used on the series after "Put Another Log on the Fire" and "One's on the Way," in the episodes featuring Candice Bergen and Loretta Lynn, respectively.
The plot point of Piggy trying to "trick" Kermit into marrying her by having a real priest in a sketch was reused for 'The Muppets Take Manhattan.'
Marisa Berenson's opening dance number is stylistically similar to Juliet Prowse's dance number from the very first 'Muppet Show.'
The Swedish Chef shows Gladys the wedding cake that he's made. The cake is topped with figures of Kermit and Piggy as the groom and bride. The figures were actually commercially available PVC toys, repainted in new clothes; Miss Piggy was made by German company Schleich, while the Kermit figure is a pencil topper from the United Kingdom (company unknown).