Derek's happy that his dad's moving in; Tom and Hannah are taking things to another level.
There are some job opportunities at Broadhill, so Kev decides to clean up his act; Vicky's taste in men worries Hannah; a visit from Pete stirs things up for Derek.
Hannah and Tom have happy news; Derek's father goes on a date with Tom's grandmother; matters of the heart are taking a downward turn for Kev and he calls on his brotherf for help.
Derek and the Broadhill gang go on a trip to London Zoo; it's Derek's best day ever, meeting giraffes, penguins, aardvarks, and in Vicky's case, the man of her dreams.
The Meadway animal rescue centre comes to visit, and for Derek that means playing with Ivor; Kev exercises his artistic talents, winding up Hannah in the process; Derek deals with sad news.
Derek goes on a date with a girl from a dating website; Derek is worried about his dad's health; Geoff nearly ruins things for Derek, but Kev stands up to him.
As Broadhill prepares for the wedding of the year, Kev's behavior proves too much for Hannah; Vicky prepares to fill her shoes, while Derek tries to hold the home together.