Welcome to the Community Forum and thanks for your post.
You can record all Midsomer Murders by setting a Series Link+, which will give you an option to choose one channel or all channels the programme is shown on.
Just follow these instructions:
You will also see the option: Start From and you can choose only new episodes or any Series between 1 and 18.
We also offer further information on this via our Help pages: How do I record a whole series on my TiVo box?
Please let us know how you get on with this.
Virgin Media Forum Team
Need help changing SIM card? Find out more about activating your 4G ready SIM. 4G SIM Swap Help