PreviewThe Twinstitute20191 seasonDocumentaryWatch NowOverviewDoctors Chris and Xand van Tulleken put competing health theories to the test with the help of 30 other pairs of identical twins.Top CastChris van TullekenHimself - PresenterXand van TullekenHimself - PresenterThe Twinstitute20191 seasonDocumentaryDoctors Chris and Xand van Tulleken put competing health theories to the test with the help of 30 other pairs of identical twins.Watch NowFavouriteEpisodesSeasonsCastMediaSimilarReviewsSeason 16 episodes· 2019Loading episodes...CastMediaSimilarReviewsNo imageNo imageNo imageNo image