Sierra, labeled The Obsessive Uber-Fan, was one of the three newcomers who competed in Total Drama World Tour. She was originally a member of Team Chris Is Really Really Really Really Hot before she switched with Izzy on Team মর্দানী স্ত্রীলোক so she could be with Cody and Izzy could be with Owen. She was seen with the original contestants on a yacht in the first episode of Total Drama: Revenge of the Island.Sierra, along with Alejandro, debuts in Celebrity Manhunt's Total Drama Action Reunion Special, where she flaunts her knowledge of the Total Drama series. She created a blog for each and every competitor from the series and has been shown following them around in multiple occasions. She is briefly seen during the প্রতিবেদন about Bridgette and Geoff's relationship problems, where she is seen in a picture, getting her stomach signed দ্বারা Geoff, which angers Bridgette. Her cover however is blown দ্বারা Izzy in an interview when she turns on the lights and reveals that she has been feeding Sierra this information so that she could get the Royal Canadian Mounted Police off her back, since Sierra had been paying her for this. Sierra gets a small job interviewing the cast on the red carpet, but Blaineley was the one who thought out her questions. Sierra was the one to encourage the contestants that they are not has-beens and tells them to stop Chris from doing Total Drama Dirtbags. She is seen helping all of the contestants beat the Total Drama Dirtbags vehicle. After finding out that she would make it to the পরবর্তি season, she has an extensively long confessional, ending the প্রদর্শনী saying she is a third-generation Chris McLean scholar and can tell whether he is lying অথবা not দ্বারা his vocal tone and body language. She also knows where Chris shops for his clothing and the names of his three dogs. With an interest to finally answer all of her blog প্রশ্ন on Cody, she wonders about things like the type of deodorant he uses, the number of freckles on his back, and what song he sings in the shower, mentioning that the final প্রশ্ন will be a "six-month analysis." However, Sierra ends up making the camera run out of battery with her long confessional.In Walk Like An Egyptian - Part 1, Sierra is the last person to exit the bus, running out and obviously incredibly ecstatic to be on Total Drama, exclaiming that it's the "best দিন of her life." Sierra then notices Cody and rushes over to talk to him. Sierra quickly tells Cody that she has always dreamt of this moment, only Cody wasn't wearing a শার্ট in her dream. Inside the Total Drama Jumbo Jet,while Chris is explaining the rules of the competition, Sierra is shown to be one of the only people to be listening. Heather expresses interest in starting an alliance with Sierra in this episode since she believes that Sierra is the only person that she can trust. While waiting to arrive in Egypt, Sierra states Cody's full name and reveals that he was born on April 1st. She then attempts to flirt with Cody, saying that Cody is her own April Fool. During the Come Fly With Us musical number, Sierra sings with Cody. In the "Pyramid Over Under" challenge, she forms a team with Heather and Cody, going under the pyramid; she almost injures Heather and herself during the challenge দ্বারা walking onto a loose step, causing arrows to shoot out of the wall. The trio later runs into Izzy, dressed up as a mummy. Sierra is later put into "Team Two." While deciding on the team name, Sierra shows some attraction towards Chris, naming her team Team Chris Is Really Really Really Really Hot along with Alejandro, Noah, Owen, and Tyler.In Walk Like An Egyptian - Part 2, Sierra tells Izzy that Duncan and Courtney's অনুরাগী will be disappointed on her blogs, but she and Owen have a chance of becoming the new Total Drama power couple. Sierra then tells Izzy that Cody is hotter than Owen and he still sleeps with a stuffed emu. Sierra then rants about how Alejandro is not hot and sees the other girls as crazy for liking him. She goes through with Alejandro's plan on the goat. When she reaches the Nile, she tells everyone she's a fourth generation basket weaver, which means she is quick to build half of Teams Chris Is Really Really Really Really Hot's raft. She and Izzy then switch teams due to her wanting to be close to Cody and Izzy wanting to be with Owen. She then quickly builds Team Amazon's ভেলা and manage to get help try to get the উট on. Once Team মর্দানী স্ত্রীলোক gets their উট onto their raft, they proceed to go across the Nile. Sierra and the rest of Team মর্দানী স্ত্রীলোক are the first to ক্রুশ the finish line with the item they are supposed to bring, thereby escaping elimination.Sierra is seen in Super Happy Crazy Fun Time জাপান sniffing Cody's shoe and the shoelace ends up getting stuck up her nose after Heather mentions her as a "friend." When Chris sends all of the contestants out of the plane, they sing Before We Die, in which Sierra mentions she wants to marry Cody. Cody participates in the human pinball challenge and Sierra is in it with him, rather than with a panda bear, like the other two teams. In the pinball challenge, she kisses him all over his face. She says that if they got a point for every time she kissed him, they would be millionaires. Then in the সেকেন্ড challenge, after Heather, Gwen, and Courtney fight, she and Cody created "Huh?" as their commercial, which ends up winning the challenge for Team Amazon. She proceeds to have a "group hug" with her team, but only hugs Cody and proceeds to block the rest of her team from the hug.
In the beginning of Anything Yukon Do, I Can Do Better, Sierra is seen with Cody in the first-class department, massaging his feet. After waking up from a peaceful sleep, Cody tells her that he doesn't like his feet touched, but Sierra proceeds to jab him in a pressure point, which temporarily paralyzes him.Sierra then listens in to Chris in the commercial class area and explains in the confessional that after viewing, reviewing and re-reviewing season one and season two, that when Chris says one thing, he means another. When everyone gets out of the plane and are together, Courtney mentions huddling together for warmth. Sierra grabs Cody and happily embraces him after Gwen rejects him. Then, when Chris explains the challenge in Yukon while drinking cocoa, she mentions that কোকো is Chris's সেকেন্ড পছন্দ drink, his first being টমেটো juice. When Chris asked how she knew this, Sierra explains she interviewed his school teachers for an unauthorized biography. During the challenge, Sierra is seen saving Cody and Owen দ্বারা throwing an ice block at a polar ভালুক when it is about to eat them.She then uses a ট্রাউট to paddle to Cody to rescue him after Owen pees in the water. When Sierra saves Cody, she realizes he needs warmth and needs to be on land, so she throws him back to shore, but unwittingly making him hit a rock, too. She then follows him using his footprints and both are rescued দ্বারা Courtney, Gwen, and Heather. Later, she and the rest of Team মর্দানী স্ত্রীলোক sing back up to Stuck to a Pole, due to Chris's commands. She is seen last losing with her team to Team Chris Is Really Really Really Really Hot and Team Victory, when suddenly, Chris announces Team মর্দানী স্ত্রীলোক is in সেকেন্ড place due to Bridgette not being with Team Victory and Team Chris Is Really Really Really Really Hot placing first place. Thats all for now. Look for Vampire Courtney next!