Doctor Who's Yasmin Finney admits it's 'surreal' to be filming with David Tennant and Catherine Tate

David Tennant holds up sonic screwdriver as he films scenes with Catherine Tate and Yasmin Finney

Yasmin Finney is spotted on the Doctor Who set with David Tennant for the first time

DOCTOR WHO FIRST LOOK: David Tennant and Catherine Tate film explosive scenes