Jon Hamm and Daniel Radcliffe's pairing in A Young Doctor's Notebook proved an unsurprisingly popular combo for Sky Arts, giving the channel the best viewing figures in its seven-year history on Thursday night.
The four-part comedy drama, adapted from Mikhail Bulgakov's autobiographical short stories and featuring the Mad Men and Harry Potter actors playing the same doctor at different stages of his life, attracted an average audience of 252,000.
Viewing of the first outing of the series, which is made by Big Talk and aired at 9pm as part of Sky Arts's Playhouse Presents, had a five-minute peak of 307,000.
This is the biggest audience the channel has attracted since BSkyB acquired Artsworld in 2005 – the service was rebranded Sky Arts two years later – according to a spokeswoman.
The previous biggest audience for the channel is understood