|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, and also appeared on Celebrity Countdown. He's a newsreader and former reporter for ITN. He also hosted the first televised debate for the 2010 British General Election.
|#||Date||Type||Contestant 1||Score||Contestant 2||Guest||Lex||Max|
|C6||4/06/1998||CC||Jill Dando||20 – 41||Alastair Stewart||John Cole||Mark Nyman||79|