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Jo has a surprise birthday party! Day 7's challenge is out of this world. Abe meets his first relative from his mother's side of the family. Jo and Justin both find new siblings. Ashlee and Brennan meet cousins who share home videos.
Teams Green and Black get freaked out at the challenge. Justin finds a first cousin and Ashlee discovers a niece. Eric has multiple life-changing moments, including learning his father's name.
James receives a letter he never expected while Team Blue is excited to head into Manhattan. Today's challenge is the toughest one yet. Jo, Justin, and Ashlee all meet new sisters. Abe and Eric race to a Manhattan rooftop to meet Eric's cousin.