Amy Pond
In the 2011 series, after an unknown amount of time, Amy and Rory return to the present. They go back to living a normal life until Amy gets an anonymous "TARDIS blue" invitation to the Utah desert. In the desert, she and Rory find the Doctor. He has aged almost 200 years since they left the TARDIS. They learn that River Song was also invited to this place. They group sees the Doctor's killed by an astronaut. They learn that the older Doctor also invited a younger version of himself. They travel with him to 1969 Washington, D.C. to investigate strange things involving the Silence. The silence is an alien race who cannot be remembered. After a person met one of the silence, they would forget everything about them as soon as they could no longer see them. While there, Amy tells the Doctor she is pregnant. She later shoots a person in an astronaut suit trying to save the future Doctor's life. She sees that the person in the suit is just a little girl. When the Doctor asks Amy later about the pregnancy, she tells him that she was wrong. The Doctor tries to learn more but learns nothing. In "Day of the Moon", Amy finds strange pictures of the astronaut girl in an old orphanage. In one of the pictures, She is holding a baby. She sees the little girl again as well as two Silence. Amy is kidnapped by the Silence. She is set free by the Doctor, Rory, and River a few days later.