Back in time!

Bonnie Langford on returning as the Doctor's former companion Mel Bush in a two-part finale...

- NATASHA HOLT

DOCTOR WHO Saturday, 6.30pm, BBC1 Sci-fi

Q You originally starred as Mel in Doctor Who from 1986 to 1987. What's it been like returning to the show?

A Great I never thought I'd be back - the idea seems ridiculous! But it's lovely to come back to a character who I always felt was unfinished.

Q This week's episode of Ruby Sunday. What can you tell us about it?