Image for Barry's assistant has been knocked out

Barry's assistant has been knocked out

Duration: 01:55

And wakes up speaking perfect Russian thinking he is a prisoner of war.

Available since: Fri 7 Feb 2014

This clip is from

Doctors Series 15, Perestroika

186/222 Howard works with Barry to apprehend a Russian sleeper agent at large on the campus.

First broadcast: 07 Feb 2014

Image for Perestroika Not currently available on BBC iPlayer

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