I haven't weighed in in a while on the frog-pig dynamic (except on the fanfic section) but I'm going to have to side with those that say the topic of the romance is tiresome because Kermit ONLY says the same old tired things over and over and over.
First, they ask him about it. He hems and haws and makes references to being flattened if he gives an answer she doesn't like, then he denies the relationship and insults her--usually with a fat joke. Wow--what a charming guy. (I would also like to add that, deep down, most people don't respect someone who is smitten with someone in private and bad-mouths them in public. Ewww--skanky.) Now we know why if you want to get a prince you kiss a TOAD, not a frog.
Although I'm perfectly happy for the storyline to center around Kermit and Miss Piggy--as the SUCCESSFUL movies have done--I think the reason that relationship has lost some of its spark has more to do with the muppeteers than with the characters. I don't get the feeling--as I did when Jim was not only Kermit but in charge of things and Frank was Piggy and the driving perfectionist behind a lot of the best scenes--that the muppeteers have a roadmap. Since the people doing the muppets and the people in charge of what the muppets are doing are now two COMPLETELY DIFFERENT SETS OF PEOPLE, I think it ties the hands (or would that be bodies?) of the muppeteers. They can't comment on things because (1) They don't know or (2) They can't say. This will continue to be a problem for our dear muppet friends, but I can't see any foreseeable way to fix. Like it or not, we are stuck with people calling the shots that are not the people who have lived close to our felt buddies for many years and KNOW them intimately.
But I digress. Those of you who are claiming that Miss Piggy is getting over-exposed obviously weren't watching the muppets during the late 70s and early 80s. Some of you weren't even born then, and have no point of reference between "then" and "now." THEN, you couldn't go ANYWHERE without seeing Miss Piggy--with or without that geeky green guy she was dating--and she was at the absolute height of her popularity, as were the muppets. And you did have to go somewhere--there was no internet, no proliferation of cable networks. Every Hallmark store in the country devoted an entire section to muppet products. Real, reputable magazines wanted to interview the characters and the muppeteers. There were muppet posters, records (huge CDs you had to play on a machine called a record player that scratched out the sound with a needle), bridge cards, t-shirts (had one--mine was blue), greeting cards and Christmas cards (sent them) and even cookbooks (still have mine--it's not brilliant but the recipes aren't bad). All this for a show that wasn't even produced on one of the "Big Three" cable network. (On a side note--remember the big whoop about ST:TNG not being controlled by a network, but being shopped out to individual stations? Well, the Muppets did it first--and they had to go to ENGLAND to do it!)
Part of what made this work was the fact that Jim, both as Kermit and as the fearless leader, could speak what was happening and what was going to happen. In essence, when Kermit told you something--about his relationship with Piggy or about their latest project--it had the weight of authority behind it. Our current muppeteers--even though many of them were part of the muppets then--have never had that luxury since Jim died. Steve has never had the chance to say, through Kermit, what HE would like to have happen. That's not Steve's fault, but it undermines the character of Kermit because we had come to expect Kermit to speak with authority and now he can't.
I have said on more than one occasion that us old folks have a different perspective on things than some of you young folks. And having said that, what speaks to me may not speak to you the same way. Despite the fact that the muppets were ground-breaking in so many ways, they spoke to an audience that was still fairly traditional. Miss Piggy was a superstar, but she was--at heart--an old-fashioned pig. And Kermit, for all of his show-biz ways, was pretty traditional, too. Back then, people that liked each other thought more about getting married and less about, um, er, "trying the relationship out for an indeterminate period of time." Kermit's flirting with pretty lady co-stars and Piggy's fawning over a variety of attractive male co-stars were seen as harmless deviations from a standard. And it was fun, in that context, so see Kermit get so steamed when his one-and-only got all giggly and flirty with some hunky guy. And it was fun to see Piggy go into karate-chopping mode when Kermit made goo-goo eyes at anyone other than her. Now, in an effort (I can only assume) to make the muppets more hip and contemporary, they've attempted to, um, update the relationship. So now I get to see Kermit--who used to turn me all melty when he made those googly eyes at Piggy--make fun of the one he used to adore. (Look--he can claim he doesn't like her NOW--but there's no use claiming he never did. We saw it. It happened.) Sometimes, I have the same reaction to his string of insults and fat jokes that some of you did to listening to Denise Richards whine. TMI! TMI! Why the heck can't you all just ride off into the sunset in a horse-drawn buggy like you used to!
Ahem. (Puts hand to flushed face.) Pardon me. I seem to have dragged us into more philosophical realms than I intended. I believe I will go lie down now....