"Terra Firma" is the 38th and 39th episode of Star Trek: Discovery show's 3rd season , released on CBS All Access on 10 December 2020 and 17 December 2020 .
Description [ ] Part 1 The USS Discovery crew journeys to a mysterious planet in hopes of finding a cure for Georgiou's deteriorating condition. Stamets and Adira make a stunning breakthrough with the newly acquired Burn data. Part 2 Georgiou uncovers the true depths of the plot against her, leading her to a revelation about how deeply her time on the USS Discovery truly changed her. References [ ] Characters [ ] Part 1 characters [ ] Airiam (mirror) • Cleveland Booker • R.A. Bryce • R.A. Bryce (mirror) • Michael Burnham • Michael Burnham (mirror) • Carl • Hugh Culber • Hugh Culber (mirror) • Keyla Detmer • Keyla Detmer (mirror) • Philippa Georgiou (mirror) • Issa • Kovich • Ellen Landry (mirror) • Nilsson • Nilsson (mirror) • Joann Owosekun • Joann Owosekun (mirror) • Gen Rhys • Gen Rhys (mirror) • Saru • Saru (mirror) • Paul Stamets • Paul Stamets (mirror) • Adira Tal • Sylvia Tilly • Sylvia Tilly (mirror) • Charles Vance • USS Discovery computer Referenced only Gabriel Lorca (mirror) • Robert Weems • Yor Part 2 characters [ ] Airiam (mirror) • Cleveland Booker • R.A. Bryce • R.A. Bryce (mirror) • Michael Burnham • Michael Burnham (mirror) • Hugh Culber • Hugh Culber (mirror) • Keyla Detmer • Keyla Detmer (mirror) • Duggan • Philippa Georgiou (mirror) • Guardian of Forever • Haj (mirror) • Ellen Landry (mirror) • Nilsson • Nilsson (mirror) • Joann Owosekun • Joann Owosekun (mirror) • Jett Reno • Gen Rhys • Gen Rhys (mirror) • Saru • Saru (mirror) • Paul Stamets • Adira Tal • Sylvia Tilly • Sylvia Tilly (mirror) • Charles Vance Referenced only Genghis Khan • Osyraa Locations [ ] Dannus V (Dannus ) • Epsilon Indi IV • Verubin Nebula Referenced only Kepler-174d • Risa Starships and vehicles [ ] USS Discovery (Crossfield -classresearch vessel ) • ISS Discovery • ISS Charon • KSF Khi'eth Referenced only USS Hiraga Gennai Races and cultures [ ] Human • Kelpien • Kwejian Referenced only Andorian • Betelguesian • Coridanite • Denobulan • Klingon • Rigelian • Romulan • Tellarite States and organizations [ ] Emerald Chain • Starfleet • Terran Empire Other references [ ] agonizer • The Burn • Interdimensional Displacement Restriction • super-mycelial reactor • vahar'ai Appendices [ ] Images [ ] Connections [ ]
Stories featuring the mirror universe
Enterprise
episode: "In a Mirror, Darkly " • prose: Age of the Empress Nobunaga "
Discovery
episodes: "Into the Forest I Go " • "Despite Yourself " • "The Wolf Inside " • "Vaulting Ambition " • "What's Past Is Prologue " • "Terra Firma " • comics: Succession Issue 1 " • "Issue 2 " • "Issue 3 " • "Issue 4 ")
The Original Series
episode: "Mirror, Mirror " • comics: Hell's Mirror The Mirror Universe Saga ... Promises to Keep " • "Double Image " • "Deadly Reflection! " • "The Tantalus Trap! " • "Masquerade! " • "Behind Enemy Lines! " • "The Beginning of the End... " • "Homecoming... ") • Fragile Glass Mirror Images Issue 1 " • "Issue 2 " • "Issue 4 " • "Issue 5 ") • "The Mirror, Cracked • prose: Voyage to Adventure Spectre Dark Victory Preserver The Sorrows of Empire Ill Winds " • "The Greater Good " • games: The Adventure Game Shattered Universe
Kelvin timeline
comics: Mirrored Part 1 " • "Part 2 ") • "Parallel Lives, Part 2 " • Live Evil Part 1 " • "Part 2 " • "Part 3 ")
The Next Generation
comics: "Mirror Images, Issue 3 " • Mirror Universe Collection (TNG Mirror Broken comics : "Origin of Data ", "Prelude ", "Issue 1 ", "Issue 2 ", "Issue 3 ", "Issue 4 ", "Issue 5 " • TNG Through the Mirror comics : "Issue 1 ", "Issue 2 ", "Issue 3 ", "Issue 4 ", "Issue 5 " TNG Ripe for Plunder comics : "Chapter One ", "Chapter Two ", "Chapter Three ", "Chapter Four ", "Chapter Five " • TNG Terra Incognita comics : "Issue 1 ", "Issue 2 ", "Issue 3 ", "Issue 4 ", "Issue 5 ", "Issue 6 ") • ST : The Mirror War Issue 0 ", "Issue 1 ", "Issue 2 ", "Issue 3 ", "Issue 4 ", "Geordi ", "Issue 5 ", "Issue 6 ", "Issue 7 ", "Issue 8 " • ST : Warriors of the Mirror War Data ", "Geordi ", "Sisko ", "Troi " • prose: Dark Mirror Three The Worst of Both Worlds The Traitor " • "The Sacred Chalice " • "For Want of a Nail " • Rise Like Lions
Deep Space Nine
episodes: "Crossover " • "Through the Looking Glass " • "Shattered Mirror " • "Resurrection " • "The Emperor's New Cloak " • comic: "Enemies & Allies " • prose: Dark Passions Warpath Saturn's Children Fearful Symmetry A Terrible Beauty " • The Soul Key Freedom Angst " • Disavowed
Voyager
prose: The Mirror-Scaled Serpent Bitter Fruit " • comic: "Mirrors & Smoke "
New Frontier
comics: Turnaround Part I " • "Part II " • "Part III " • "Part IV " • "Part V ") • prose: Cutting Ties Homecoming "
Klingon Empire
prose: "Family Matters "
Titan
prose: "Empathy "
Vanguard
prose: "The Black Flag "
Miniseries and anthologies
RPG sourcebook: Through a Glass, Darkly • comics: The Mirror Universe Saga Turnaround Mirror Images prose: Mirror Universe Trilogy Mirror Universe Glass Empires Obsidian Alliances Shards and Shadows
Timeline [ ]
External link [ ] 
