Lily I used to watch GBM all the time- I've struggled with the last few series of it, and not sure why. I think the themes started to feel a bit 'forced'.
A banquet for the Queen's birthday, or whatever it was when it started- with a competiton for that -made sense. Some of the other years i've just felt 'would anyone really be that honoured to take part- seems a load of faff' 
In the contunuing saga of the missing Doctors episodes, it seems they skipped 11 episodes to get to yesterday's- Wednesday's was number 18, series 24. Yesterday's was (originally) 29.
Now whether they will show some of the missed ones, if they don't mess with continuity, I don't know.
but it might be a bit odd if they suddenly go from Scarlett moving in with the Gobbys- to living in a hostel, because in the interim episodes it didn't work out.
Not saying that is a plot that will happen, but it's not an unlikely scenario.
Plus a newbie in the credits- if he's another relative of Rhuma's ,then it will get a bit stale as a plot device.