Penny's old friend Maddie moves into town. With nowhere else to stay, she decides to room with Penny. She meets all of the boys, but only one sticks out to her. Will her relationship with him get anywhere, or will their differences be too large to make it work? (Takes place in the first couple of seasons)

Julia Marintino is a 26 year old woman moving into the building of Sheldon Cooper. Though something so simple usually does not involve the genius physicist the universe has other plans. But they are so different. How will the things work out? Well there is no way to really know. We are an impossibility in an impossible universe....

Penny has a long lost sister, who's daughter, Ollie, wants to become a theoretical physicist. Like Sheldon Cooper. Sheldon turns out to be Ollie's idol. Only 14, but with the highest grades and highest IQ out of her whole school, she becomes friends with Leonard and Sheldon.