100 was the hundredth release in Big Finish's monthly range. The four stories were writen by Jacqueline Rayner, Robert Shearman, Joseph Lidster and Paul Cornell respectively and featured Colin Baker as the Sixth Doctor and Maggie Stables as Evelyn Smythe.
All the stories had the number "100" worked into their storylines.
- 100 BC by Jacqueline Rayner
- My Own Private Wolfgang by Robert Shearman
- Bedtime Story by Joseph Lidster
- The 100 Days of the Doctor by Paul Cornell
- An illustrated preview for this story by Martin Geraghty appeared in DWM 387.
- This audio drama was recorded on 25 June and 12 July 2007 at The Moat Studios.
- 100 is Big Finish's second audio anthology, released a year after Circular Time. Forty-Five would similarly feature four stories connected by a single number.