 They were replaced by Zoë Ball and Jamie Theakston , who presented it for three series . According to the BBC , the show 's popularity was at its peak during the 1996 / 1997 series when the show regularly had 2 @.@ 5 million viewers . Around this time Mr. Blobby , played by Barry Killerby , also appered on series . 
 They <a href='uninflect' title='1'><mark>were</mark></a> replaced by Zoë Ball and Jamie Theakston , <a href='null_relcl' title='2'><mark>who</mark></a>presented it for three series . According to the BBC , the show <a href='null_genetive' title='3'><mark>'s</mark></a>popularity was at its peak during the 1996 / 1997 series when the show regularly had 2 @.@ 5 million viewers . Around this time Mr. Blobby , played by Barry Killerby , also appered on series . 
They was replaced by Zoë Ball and Jamie Theakston , presented it for three series . According to the BBC , da show  popularity was at its peak during the 1996 / 1997 series when the show regularly had 2 @.@ 5 million viewers . Around this time Mr. Blobby , played by Barry Killerby , also appered on series .