Above is the 6th Doctor as he appeared in Doctor Who The Ultimate Adventure.
The 6th Doctor finally appears with the Brig in the charity special Dimensions in Time.
Colin Baker appeared in the 30th Anniversary special: More than 30 years in the TARDIS. He also hosted a celebration of his TV era: The Colin Baker Years and the video Cybermen: The Early Years. Colin narrated some audio recordings of certain missing adventures of the sixties. He was to also set to appear in the aborted TV Special The Dark Dimension. Colin wrote two short stories for Marvel's Doctor Who Yearbooks. 'The Deal' was published in Yearbook 1992 and 'A Tourist Invasion' was featured in Yearbook 1993. He also wrote the full length graphic novel, The Age of Chaos published in 1994.
Thanks to Colin Baker's tireless enthusiasm for the show, the adventures of the 6th Doctor continue...