Part 1
- Doesn't find anything strange about the game....although, she was having a HARD time trying to find BB and calls Freddy crazy when he was rambling about BB disappearing because of the game
Part 2
- Starts to become more alarmed after learning about Toy Freddy and the Cupcake going missing now....she starts to become more protective of the others along with protecting the rest of the toys....she even comforts Alisa when she was panicking and upset about Toy Freddy's disappearance
Part 3
- Kat witnessed Chica's death when she died in the game and is now really riled up not only with fear but with anger because of the game taking her friends along with keeping an eye on Bonnie and Mia as they played the game before noticing that Freddy and Foxy have been acting strange....after realizing Toy Chica has been taken and telling the others that the game will make the others turn against each other....she stuck around to fight off Freddy and Foxy before her arm getting pulled by Bonnie along with helping Gabrielle
Part 4
- When she arrived at Candy's, she was filled in on what the virus is doing to the game and noticed that Bonnie and Mia aren't looking so good....she also realized that Foxy has been hacked which struck her in the heart hard knowing that he's out almost like a zombie....when Candy volunteered to take on Night 4, Kat purred knowing that he's saving the others before she and Xander running off with the others
Part 5
- Back at their own location....Kat was really starting to get concerned for Bonnie and Mia's health....not to mention she noticed how sickly pale Mia became and started coughing blood....she tries to help her out before hearing that Golden Freddy will do Night 5 which she was grateful for....until a few moments later....she heard what happened to him and watched Bonnie play through the night much to her dismay....it wasn't long until she noticed that their friends' spirits are encouraging them....along with encouraging those who are still alive....when she heard Foxy's voice....she nearly cried before shaking off her tears....she continues watching before they beat the night and Bonnie....dies....not before she takes Mia in her arms as Puppet rushes over....he tells her to take Mia somewhere she can rest....she reluctantly does so....
Part 6
- She watches over Mia along with Adalyn and Rosie before Puppet comes in and sadly comes to the conclusion that Mia doesn't have much time left....he privately talks to Kat that he needs her help when he takes on Night 6....he needs her to fight off anyone if they come try and take Puppet while he's still playing....she agrees if it means saving the others and bring Mia back to health....she ties her hair back, takes off her white jacket, ties it to her waist, and looks through Foxy's belongings in Pirate Cove before pulling out his old musket gun and loads it with bullets he left for her....she was ready to take on the purple skeleton (Simon) or anyone else who'll try and interfere....she comes back to the office before seeing that Rosie and Adalyn are gone....Mia tells her that they'll find weapons to defend the Puppet in case something happens....Kat insists of getting Mia to a hospital but she denies knowing that she's beyond any kind of help....Mia gives Kat a picture of all of her friends including the animatronics....her last words to her was this...."Kat....stop the virus....stop the one behind this at all cost....it's what our friends w-would've wanted....no matter how bad it hurts....m-make sure Rosie knows along with Addy....n-now....we both know what you must do....g-go get 'em....I-I love you girls....s-so much...." Mia took her last breath leaving Kat devastated but even more furious....she found so many reasons to fight before she hugs Mia one last time before walking off....that's when the night starts....she fights off Simon since he was trying to get to Puppet before getting in a physical fight with the Popgoes characters....when the night was over....she, Puppet, Rosie and Adalyn confront Simon
