"Dancing with the Stars" season 25 premieres on Monday, September 18 with some interesting tidbits that might interest die-hard fans and other viewers. First of all, season 25 is a milestone in the life of the show that began on June 1, 2005.

Tom Bergeron has been the only host who has been there for all of the seasons. He has had four different co-hosts. Lisa Canning was a co-host alongside Bergeron for only one season. Samatha Harris co-hosted from season 2 through 9. Brooke Burke-Charvet co-hosted from season 10 through 17. Erin Andrews took over during season 18 and has been a co-host ever since.

What to expect during season 25

There will be only three judges instead of the usual four. Julianne Hough is not returning because of other opportunities. Head judge Len Goodman, Carrie Ann Inaba, and Bruno Tonioli will have to carry on without the perky judge this season. Guest judges will show up in some episodes.

According to returning champion Cheryl Burke, the Mirrorball trophy will be different this season. It will be fancier in honor of the 25th season. Cheryl has two mirrorballs, but she said she wants a newer one.

The dancers

Season 25 is going to be the most competitive season ever because of the diverse group of contestants. Husband and wife Nick and Vanessa Lachey are partnered with another husband and wife, Maksim Chmerkovskiy and Peta Murgatroyd.

Twins are on the show, but they are not twins to each other. Drew Scott of "Property Brothers" and WWE star Nikki Bella each have a twin. Two Fishers are on the show, but they are not related. Former NBA star Derek Fisher is dancing with Sharna Burgess and "Hamilton" actor, Jordan Fisher, is dancing with Lindsay Arnold. Hopefully, voters won't get the two black men mixed up.

A shark is out of the tank and will be on the ballroom dance floor. "Shark Tank" personality Barbara Corcoran says she has strong legs. Viewers will see how she uses them when she dances with Keo Motsepe. A person who just learned to walk last year is dancing with Valentin Chmerkovskiy. Victoria Arlen is a former Paralympic athlete who was in a wheelchair for 10 years.

There is a Jersey boy and a Founding Father of the United States. Pro dancer Mark Ballas returned after two seasons away because he performed on Broadway in "Jersey Boys," and Jordan Fisher played the part of Hamilton in the Broadway show.

A troupe member was promoted to a pro while a pro went back to the troupe. Alan Bernsten filled in for Maks last season when he was injured. Now he is a full-time pro. Sasha Farber is going from pro back to the troupe so that he can have time to focus on another project. He leaves behind his fiancée and reigning champion, Emma Slater to dance with Drew Scott.
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