The following was told to me by Royal Caribbean, but I have to think it holds true for Carnival too. At least to some extent.
The production shows cost several million dollars to develop and produce. Productions will start on sound stages the cruise line has in Florida, and will typically take a year to 18 months before being ready to move aboard the ships.
Obtaining and paying for rights to songs, themes, even costumes, adds up. I'll bet you didn't think a costume might be covered by trademark. And everyone is well aware of copyrights and royalties for songs, show themes, and character names.
So once a major cruise line gets a show ready for prime time they will use it for at least 3 years and sometimes longer.
If they bought the rights to use songs from All That Jazz for 5 years, they are going to use them for every one of those 5 years. They do move shows through the fleet, with new productions going to the newest ships and the other shows cascading down to the oldest ships and then being retired. Some shows, because of the need for special stages and equipment, will remain on the same ships.
Welcome back Frase! I agree with you too. It would be nice if they could mix it up a bit more. For the reasons already noted these shows have to run their course. I still enjoy them though including "Leaving on a Funship".
We had our 10th cruise ealier this summer, and I usually skip the welcome aboard show (unless we are cruising with someone new).
My daughter dances, so even at age 10, we took her to the shows, her first cruise was on Conquest (an if they are still doing Formidable it was great). Some of the costumes were skimpy, but my kid was mainly watching the dancers footwork.
Now, she's 16, she still watches the dancers technique, but during The Big Easy (on the Triumph) she leaned over and asked me which french maid I liked the best.
I do remember hearing the CD announce during a welcome abord show, that some of the cosumes were a little skimpy, and for the passengers to keep that in mind.
It's like the first time we stayed in Miami Beach and went out on the beach. There they were, the young ladies wearing an Australian two-piece bikini....bottoms and sunglasses. Our son was 10 I think. He really didn't say anything about the free floor show.
How about the people with absolutely no business even owning a speedo, let alone wearing one, who you can see on every Caribbean cruise?
I think the speedo thing is European, not sure though. Sometimes it can be "unappetizing" having your breakfast on the Lido deck. Then again the Lido deck is onboard entertainment in a way. The stories I could tell, I will refrain though.
Husband and I have been on over 23 Carnival Cruises. usually like the big shows, karaoke sometime - prefer the older talent shows rather than the newer legends but always amazed at the talent. Sometimes not happy with the dance music, like the oldies - big band music but sometimes it is fun to watch other dancers. No complaints with Carnival's entertainment. If its an off night, can always just watch people or go to bed earlier.