18-10-2016 20:18
18-10-2016 20:45
@Anonymous User
Welcome to the forum.
S4 aired earlier this year. Whilst it should be back as a boxset sometime there's no news from NOW TV on a date yet.
https://twitter.com/nowtv/status/785790474158280704
The other solution if you can't wait is to buy it on Amazon Instant Video, iTunes etc or the DVD boxset is out at the end of the month.