From Blogtor Who:

"Big Finish Productions have unveiled details of their latest audio series, Doctor Who: The Fifth Doctor Adventures – Wicked Sisters, which sees the Fifth Doctor (Peter Davison) reunite with some familiar faces!"

https://www.blogtorwho.com/big-finish-peter-davisons-fifth-doctor-to-team-up-with-louise-jamesons-leela-in-new-doctor-who-audio-series/