The couple got engaged in May after about six months of dating.
"Kim's Fairytale Wedding: A Kardashian Event" is to air Oct. 9-10.
The cable network promises the program "goes inside the glitz, glamour and romance of Kim Kardashian and Kris Humphries' wedding extravaganza."
"Follow the bride, groom and entire Kardashian clan every step of the way, from the lavish wedding planning to the fabulous parties to the highly anticipated big day when Kim and Kris say, 'I do,'" E! said in a news release Wednesday.
Caroline Berg Eriksen: Soccer player's wife triggers debate with post-birth selfie
Britney Spears on kissing Ryan Gosling, Justin Timberlake in the Mickey Mouse Club