The ICarly Gang's Adventures of Batman: Mystery of the Batwoman is the 29th Movie Crossover of The ICarly Gang's Adventures Series
Carly Sam Freddie Spencer Gibby (along with Wilbur Cardigan Charlotte Templeton the Rat Nellie Aranea Joy) and their friends must help Batman and Robin to solve the identity of Batwoman
- Wilbur, Cardigan, Charlotte, Templeton the Rat, Nellie, Aranea, Joy, Tori, Trina, Robbie, Andre, Beck, Jade, Rex (Victorious), Drake, Josh, Thomas the Tank Engine, Percy, Mac, Bloo, Wilt, Edwuardo, Coco, SpongeBob SquarePants, Patrick Star, Squidward Tentacles (character), Sandy Cheeks, Eugene Krabs, Aladar, Neera, Plilo, Yar, Zini, Suri, Baylene, Eema, Url, Drake, Josh, The Griffins (Peter, Lois, Meg, Chris, Brian, Stewie), Twilight Sparkle (My Little Pony), Pinkie Pie, Rarity, Rainbow Dash (My Little Pony), Applejack, Fluttershy (My Little Pony), Bertram (Family Guy), Team Galactic (Mars Jupiatar and Saturn), and Nevel Popperman guest star in this film.
- SpongeBob Aladar Tori and their friends already known Wilbur. In Littlefoot's Adventures of Charlotte's Web 2: Wilbur's Great Adventure and The Victorious Adventures of Charlotte's Web 2: Wilbur's Great Adventure
- Neville Team Galactic and Bertram will be working for Penguin in this film.