First broadcast: Monday 8th February 2016
It's the wedding day of Dan's best friend Jack, and Hannah has joined him as his plus one. As the day proceeds, Hannah and Dan find themselves at the centre of events. However, neither of them could have predicted the cost of getting involved with this particular family.
Buy Series 2
Release date: Monday 7th March 2016
Hannah and Dan, the world's worst brother and sister, are back. The second series of hit BBC sitcom Siblings continues to see brother and sister Dan and Hannah plumb the depths of bad behaviour wrecking marriages, breaking apart families, and creating chaos in the workplace. Run into Dan and Hannah...