Ricky Gervais’s Derek has a secret to share in tonight's episode … but it’s not his to tell 10:45 AM, 07 May 2014

I had not previously watched the first series but have now caught up. Its funny, sad covers all emotions.

http://www.radiotimes.com/news/2014-05-07/ricky-gervaiss-derek-has-a-secret-to-share-in-tonights-episode