How 2 was a programme than ran on CiTV replacing the original series "How".
How 2 started in 1989.
It was ran by Fred Dineage, Gareth Jones and Carol Vorderman.
Carol Vorderman then left in 1996 and Sian Lloyd got the job in 1997. Gail Porter started in 1999 and finally Gail McKenna stared the show from 2000-2006
Fred and Gareth kept in How 2 all the time it ran.
How 2 was a educational programme for inquizitive children, providing them answers to questions beginning with the word "How!"