Reign, Purity, Pestilence, they were all created by Kryptonian witches to do one thing: kill the world. And now that they're together, they're doing that. 
Trinity is an episode of season 3 of Supergirl. It premiered on May 7, 2018.
Synopsis for "Trinity"
Appearing in "Trinity"
Featured Characters:
Supporting Characters:
Antagonists:
- Kryptonian Demons (First appearance)
- Selena A.I. (Unnamed) (Hologram)
- Worldkillers
- Pestilence (Grace Parker) (Dies) (Also in a vision)
- Purity (Julia Freeman) (Dies) (Also in a vision)
- Reign (Samantha Arias) (Also in a vision)
Other Characters:
- Blight (Legion's Future) (Erased) (Mentioned only)
- Kryptonians (Mentioned only)
- Children of Juru (Mentioned only)
- Superman (Mentioned only)
- Lex Luthor (Mentioned only)
- Peter David (Mentioned only)
- Rao (Mentioned only)
- Ruby Arias (Mentioned only)
Locations:
- Earth-38
- Fortress of Sanctuary (Destroyed)
- National City
- CatCo Worldwide Media
- D.E.O. HQ
- L-Corp
- Juru
- Legion of Super-Heroes' Future
- 31st Century (Mentioned only)
Items:
- Book of Rao (Mentioned only)
- Kryptonite (Mentioned only)
- Legion Flight Ring
Vehicles:
- Legion of Super-Heroes' Cruiser
Concepts:
- Magic (Mentioned only)
- Time Travel (Mentioned only)
Notes
- Pestilence's death ultimately alters the Legion of Super-Heroes' timeline as her future counterpart would never become Blight and destroy the universe.
Trivia
- No trivia.
See Also
- 2 Images from Supergirl (TV Series) Episode: Trinity
- Episodes of Supergirl (TV Series)
- Images from Supergirl (TV Series)
- Gallery for the Supergirl (TV Series) series
Recommended Media
- None.
Links and References
- None.
Footnotes