Robert says he can see himself marrying “Sophie Preston,” one of his "online girlfriends." However, he has never met her in person and never spoken to her on the phone.

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After determining that the passport and driver’s license she sent to Robert are fake, Dr. Phil sends a producer to the address where “Sophie” told Robert she used to live with her mom. What does the producer discover? Find out in the video above. And, see Robert’s reaction.

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This episode airs Tuesday. And on Wednesday, the investigation continues across the country. Find out what Dr. Phil learns about Robert’s other “girlfriends”. Check here to see where you can watch.