Nick Cushing's side travel to Kingsmeadow, as two of the top three go head to head, looking to overthrow league leaders Arsenal.
In the build-up to the game, we flashback to a fantastic 2-0 win over the Londoners in May 2016 - and a crucial victory in the title race.
Demi Stokes opened the scoring with her first goal for City before a deflected Jennifer Beattie header sealed the points.
Same again on Sunday? Let's hope so!
Relive the memorable triumph in the video above...