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|“|| Scott: "I know this sounds crazy, but I think I had a best friend. And I think he was out here with me that night."|
Malia: "It doesn't sound crazy. I know that someone chained me up, and I think they wanted me to stay human."
Lydia: "I came to school this morning, and I was sure I was supposed to meet someone... But I couldn't remember who it was supposed to be. I have been looking for them all day. Whoever it is... I think I loved him."
The friendship between Scott, Malia, and Lydia began at the end of Season 3B, when Malia, who had just rejoined the human world after eight years of living as a coyote in the Beacon Hills Preserve, became a member of the McCall Pack. Their friendship developed over the seasons, but became incredibly close during Season 6, after Stiles was captured by the Ghost Riders of the Wild Hunt and was erased from reality-- it was Stiles' absence that drew Scott, Malia, and Lydia closer together, as they bonded over their mutual confusion about the gaps in their memories.
Together, the three fought to regain their lost memories and bring Stiles back from the Phantom Train Station, a feat they successfully completed in the season finale. Though the three are since somewhat separated due to their post-high school plans (with Malia in summer school, Lydia leaving to attend the Massachusetts Institute of Technology, and Scott leaving to attend the University of California-Davis), the three remain close and will do anything to protect and defend each other.
This trio is also known as Scalydia or McMarte by fans.
Throughout Teen Wolf
It has been implied that, between the end of The Divine Move and the beginning of Season 4, Malia Tate became a member of the McCall Pack, and spent at least one full moon with Lydia Martin and Scott McCall (along with Stiles Stilinski and Kira Yukimura) at the Martin Family lake house.
In The Dark Moon,
In The Benefactor,
In Time of Death,
In A Novel Approach,
In Required Reading,
In Lies of Omission,
In The Last Chimera,
In Lie Ability,
In Maid of Gévaudan,
In Memory Lost,
In Radio Silence,
In Memory Found,
- Scott, Malia, and Lydia have become best friends over the season, especially after Stiles Stilinski was captured by the Ghost Riders, as their attempts to bring him back to the real world made them grow even closer to one another than they were before.
- Scott, Malia, and Lydia are also the three people who are closest to Stiles, aside from his father, Noah Stilinski.