|Guest appearances of Alastair Stewart|
|First appearance||23 October 1998|
|Last appearance||26 February 2018|
|Episodes with Alastair Stewart|
Alastair Stewart is a guest on Countdown, who also appeared as a contestant in Series 1 of Celebrity Countdown. He's a newsreader and reporter for GB News, formerly of ITN. He also hosted the first ever televised leaders' debate in the UK, for the 2010 general election.
|#||Date||Type||Contestant 1||Score||Contestant 2||Presenters||Guest||Lex||Max|
|C6||04/06/1998||CC||Jill Dando||20 – 41||Alastair Stewart||Richard Whiteley||Carol Vorderman||John Cole||Mark Nyman||79|