Big Finish releases a free CD with two audio dramas, one of them a prelude to the upcoming UNIT audio series and the other a stand-alone Bernice Summerfield adventure featuring the Cybermen, attached to the cover of Doctor Who Magazine issue #351. Both audio stories are later made available on the Big Finish website. 
Big Finish Productions releases the first Cyberman audio drama, a Doctor Who audio spinoff.
Big Finish Productions releases the second Cyberman audio drama, a Doctor Who audio spinoff.
Big Finish Productions releases the third Cyberman audio drama, a Doctor Who audio spinoff.
Big Finish Productions releases the fourth Cyberman audio drama, a Doctor Who audio spinoff.