THE Big Bang Theory’s Sheldon and Amy's Nobel Prize win was given away back in season seven with an easy-to-miss clue.
The hit CBS sitcom came to an end in May last year with the couple winning the prestigious award for their work in physics.
But one eagle-eyed fan believes there was a major clue to their ultimate achievement way back in season seven.
In episode 21 of the season, Sheldon (Jim Parsons) and Penny (Kaley Cuoco) visit a medium, despite Sheldon's reluctance.
Penny encourages Sheldon to ask the medium what his future holds, and a Reddit user has realised she hit the nail on the head.
They wrote: "When Sheldon goes to see the medium, the one where Penny forces him to go to see how to reveal his future in science.
"She says 'to unlock his future he needs to get close to his girlfriend.' She actually predicted the truth!!! Just noticed it."
Indeed, the medium wasn't deterred by Sheldon's clear skepticism as she told him: "He should give himself to this relationship.
"Once he does all of his other pursuits will come into place. Everything will fall into place once you commit to her."
Not only did Sheldon and Amy end up getting married, but they finally achieved Sheldon's well-known lifelong goal of winning a Nobel Prize.
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Last month, the show's production designer John Shaffner revealed bosses spent a staggering $60k (£49k) on set decorations, particularly flowers, for the Nobel Prize scenes.
He explained to Metro Online: "The decor has always been the tradition of the Nobel Prize.
"There’s a huge floral display that wraps around all behind where the orchestra would play and in front of where the choir would sing.
"The flower budget on that surpassed the grandest wedding you can imagine. It was somewhere around $60,000 for the flowers."