[2] Sweet was among the contributors to The Oxford Companion to English Literature[3] and was both film and television critic for The Independent on Sunday.
[5] He is the host of the BBC Radio 3 programme Sound of Cinema, which is concerned with film scores and their composers,[6] and a regular presenter of Night Waves (now titled Free Thinking) on the same network.
He has also presented several documentaries about the series for the DVD range, including Chain Reaction (about The Caves of Androzani) and Nice or Nasty?
: The Making of Vengeance on Varos, as well as conducting in-depth interviews with prominent cast and crew members for the Doctor Who: The Collection Blu-Ray box sets.
Piers Morgan interviewed him on Good Morning Britain in 2017 about the casting of the first woman to play The Doctor.