The 31-year-old British actor and comedian had been missing for four days in Los Angeles and has been taken to hospital as a precaution.
Matt Smith played the Doctor from 2010 until 2013 and has some suggestions for who should fly the Tardis next.
The former Time Lord said the sets and costumes on 'Doctor Who' are all held together with duct tape and Velcro.
The first-look scenes from series 13 contain some new but familiar faces.
The 'It's A Sin' star has given a hilarious response to reports he will be the 14th Time Lord.
Scott Gill said the couple have had a challenging three weeks since Barrowman was accused of exposing himself on the set of 'Doctor Who'.
John Barrowman has been removed from a Doctor Who Live event after admitting that he exposed himself on set of the sci-fi drama.
The Conservative politician said ITV 'shouldn't be willing to indulge this behaviour' by continuing to give work to John Barrowman.
One woman told The Guardian that exposing himself on set was 'accepted' as Barrowman's 'thing'.
The actor, who played the 7th incarnation of the Time Lord, had his mind quickly changed.
The creator of 'Queer As Folk' and 'Cucumber' does not want to cast people to 'act gay'.