Accuring to the guest star list for Legoland1085 of the Dave felis adventures series on one of his adventure siries epsiodes, Sierra will protray a villain, cause a youtuber, by the name of Thegre8tstone, beleaves Sierra's evil. However, It turns out that it was false, she was brainwashed by the villianous Baireno Empire to use as a slave.
- She is voiced by Annick Obonsawin, who also does Inez on Cyberchase and Skunk on Franklin.
- She will first meet Pooh and the others at the end of Pooh's Adventures of Total Drama Action.
- Sierra will face Alejandro and the rest of the villains and try to get Cody to be her boyfriend in Pooh's Adventures of Total Drama World-Tour.
- Sierra will make her first guest appearance in a Winnie the Pooh crossover film in Pooh's Adventures of Avatar.
- Sierra will guest star again in Pooh's Adventures of Free Willy 3: The Rescue.