Channel 4's Countdown

Countdown's debut was on Channel 4 in which year?
Countdown was inspired by a television "numbers and letters" game from which country?
Name the comedy spin-off from Countdown?
Richard Whiteley used to work for which Yorkshire magazine programme?

Who presented Countdown from October 2005 until December 2006, after Richard Whiteley's death?
Who is the longterm lexicographer in "Dictionary Corner"?
Contestants attempt to make the longest word possible out of how many randomly chosen letters?
Carol Vorderman left in 2008 at the same time as which host?
Which actor and comedian was a guest presenter in August 2022 for 10 episodes?
Styled to resemble the renowned clock, what is the prize for defeating the reigning champion?
In the numbers game, the contestant chooses six cards out of how many face-down number tiles?
The character Will Freeman is a regular viewer of Countdown in which 2002 film?
Which guest has made most appearances in Dictionary Corner, totalling over 300?
The 3,000th episode aired in April of which year?
In which city's film studios was Countdown first aired?
Who returned as host on 14 July 2022, following Anne Robinson's departure?
Nick Hewer appeared on which television show from 2005 to 2014?
How old do you have to be to appear on Countdown?