How can it be September already? As we are feeling all nostalgic, we've a special offer on some of our favourite box set releases of 2018, back to their pre-order prices.

To celebrate one of the biggest Big Finish years ever, from now until 23:59 UK time on the 20th of September 2018, you can pick up some of our favourite box sets from 2018 at their pre-order prices.

Use URL https://www.bigfinish.com/offers/v/boxsets and code CLEVER to access. These offers expire 23:59 (UK time) on 20/09/2018, so don't miss out.

One of our favourite releases in the last couple of months was the latest volume in The Companion Chronicles: The Second Doctor Volume Two. With not only Frazer Hines as the Second Doctor and Jamie, Wendy Padbury as Zoe, Anneke Wills as Polly and Elliot Chapman as Ben, but also Daphne Ashbrook as Captain Ruth Matheson and Louise Jameson as Leela.

If you’ve not yet heard the beginning of The War Master saga (with volume two, The Master of Callous, due out this December) now is the perfect time to catch the first volume, Only the Good.

If you’re looking forward to the sixth season of Torchwood next month, you can now get the full cast reunion, Torchwood: Believe (released in April) back at its pre-order price.

And if you enjoyed this month’s release of The Diary of River Song, as part of this special offer you can get River’s re-encounter with Madame Kovarian and River's meeting with the Fifth Doctor in The Diary of River Song Series Three.

Or there’s everyone’s favourite bounty hunter turned detective turned… murderer? Vienna Salvatori returned in February in her most chilling adventure yet in Vienna: Retribution.

Plus Star Cops: Mother Earth 1 is on special offer – listen to it now before its sequel is released in December.

Looking for something more sinister in the autumn months? The Omega Factor returned for a third series this year in its most spooky series yet.

Or for something more romantic you can pick up Dark Shadows: Maggie & Quentin – The Lovers’ Refrain at its pre-order price.

Make sure you pick up these box sets at their pre-order offer prices before they end at 23:59 UK time on 20th September 2018.

And don’t forget if you place an order in a bundle format you can save more money by ordering the next series in advance. Check out the bundle prices on each product page.

Which of these releases has been your favourite so far? Do let us know on Facebook, Twitter and Instagram.