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Nemesis was a subseries of UNIT: The New Series produced by Big Finish Productions beginning in 2021. Much like the previous series, it focused on the 21st century UNIT team of Kate Stewart and Osgood.


Between Two Worlds[]

Main article: Between Two Worlds (audio anthology)
# Title Author Featuring Released
1.1 The Enemy Beyond Andrew Smith Kate, Osgood, Josh, Jacqui, the Eleven 16 November 2021
1.2 Fire and Ice John Dorney Kate, Osgood, Harry, Naomi, Ice Warriors
1.3 Eleven's Eleven Lisa McMullin Kate, Osgood, Josh, Jacqui, the Eleven
1.4 The Curator's Gambit Andrew Smith Kate, Osgood, Josh, Harry, Jacqui, the Curator, the Eleven

Agents of the Vulpreen[]

Main article: Agents of the Vulpreen (audio anthology)
# Title Author Featuring Released
2.1 The Man from Gallifrey Andrew Smith Kate, Osgood, Josh, Harry, Jimmy, Jacqui, the Eleven 3 March 2022
2.2 Power of the Dominators Kenneth Grant Kate, Osgood, Harry, Naomi, Josh, Dominators, Quarks
2.3 The War Factory Lizzie Hopley Kate, Osgood, Josh, Jimmy, Bambera, Jacqui, the Eleven
2.4 Ten Minutes in Hell John Dorney Kate, Osgood, Josh, Jimmy, Jacqui, the Eleven

Nemesis 3[]

# Title Author Featuring Released
3.1 November 2022

Nemesis 4[]

# Title Author Featuring Released
4.1 March 2023

Cover gallery[]