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The video shows the journalist with his wife, watching a Farsi video that circulated early in his time in jail, poking fun at the idea that Rezaian could be a spy, the Washington Post said.
The video was filmed at the Landstuhl Regional Medical Center in Germany, where Rezaian was being treated.
Rezaian, 39, one of the U.S. citizens freed by Iran as part of a prisoner swap this weekend, was accused by Iranians of being a spy and spent 18 months imprisoned.
Rezaian met with two Washington Post editors Monday, telling them he was “feeling good” physically, the newspaper reported.
Rezaian told the editors about some of his experiences in prison, saying at one point he spent 49 days in solitary confinement, the Washington Post reported. Rezaian said he was later placed in a 15-by-20-foot room with three cots and no mattresses, according to the Post.
"I'm just happy to have my brother home," his brother, Ali Rezaian, told “Good Morning America” Monday.
Ali Rezaian said his brother has been doing "OK" despite being "neglected" for a long time.
"Our main concern right now is to make sure that he integrates back in, that he gets the right psychological treatment that he needs so that he can be successful and come back home soon," Ali Rezaian said.