Dexter is back, with Season 7 kicking off last night in spectacular fashion. But wait, before you head off to catch up with the season 7 premiere, remind yourself what happened in Season 6!

This video shows a recap of the main story thread that ran through Dexter Season 6, which was the relationship between Dexter and his sister Debra.

Without giving anything away for those that are one or two seasons behind, not everything goes right for Dexter in Season 6, with a finale that shocked the fans.

The opening episode of Season 7 carries on where the last left off. The show is set to end after Season 8, so everything on Dexter from this point onwards is moving towards an ultimate conclusion. But what will it be?