Original series re-run on BBC Four tonight from 10pm.
Recent film on Film4 tonight from 9pm.
a) Sack the film off, watch the series, then come back to the film after the series; or
b) Watch the film, then catch up and finish off watching the series; or
c) Watch the beginning of the series, watch the film, then watch the rest of the series; or
d) Put a boot through the telly, and get the book out of the library instead.