Star Trek: Discovery

Aired: 2017-present
Number of episodes: ongoing

Key episodes:

• "The Vulcan Hello"
• "Battle at the Binary Stars"
• "Context is for Kings"
• "Lethe"
• "Into the Forest I Go"
• "The Wolf Inside"
• "Vaulting Ambition"
• "Will You Take My Hand?"
• "Calypso"
• "The Escape Artist"
• "Brother"
• "An Obol for Charon"
• "Saints of Imperfection"
• "If Memory Serves"
• "Through the Valley of Shadows"
• "Such Sweet Sorrow"
• "Such Sweet Sorrow, Part 2"
• "Q & A"
• "The Trouble with Edward"
• "Ephraim and Dot"
• "That Hope Is You, Part 1"
• "Forget Me Not"
• "Unification III"
  
• "Terra Firma, Part 1"
• "Terra Firma, Part 2"
• "There Is A Tide..."
• "That Hope Is You, Part 2"

Season One
1x1 "The Vulcan Hello" (****)
1x2 "Battle at the Binary Stars" (****)
1x3 "Context is for Kings" (****)
1x4 "The Butcher's Knife Cares Not for the Lamb's Cry" (***)
1x5 "Choose Your Pain" (***)
1x6 "Lethe" (****)
1x7 "Magic to Make the Sanest Man Go Mad" (***)
1x8 "Si Vis Pacem, Para Bellum" (**)
1x9 "Into the Forest I Go" (****)
1x10 "Despite Yourself" (***)
1x11 "The Wolf Inside" (****)
1x12 "Vaulting Ambition" (****)
1x13 "What's Past is Prologue" (**)
1x14 "The War Without, the War Within" (***)
1x15 "Will You Take My Hand?" (****)

Short Treks
1x1 "Runaway" (**)
1x2 "Calypso" (****)
1x3 "The Brightest Star" (**)
1x4 "The Escape Artist" (****)

Season Two
2x1 "Brother" (****)
2x2 "New Eden" (***)
2x3 "Point of Light" (***)
2x4 "An Obol for Charon" (****)
2x5 "Saints of Imperfection" (****)
2x6 "The Sound of Thunder" (***)
2x7 "Light and Shadows" (***)
2x8 "If Memory Serves" (****)
2x9 "Project Daedalus" (**)
2x10 "The Red Angel" (***)
2x11 "Perpetual Infinity" (***)
2x12 "Through the Valley of Shadows" (****)
2x13 "Such Sweet Sorrow" (****)
2x14 "Such Sweet Sorrow, Part 2" (****)

Short Treks
2x1 "Q & A" (****)
2x2 "The Trouble with Edward" (****)

2x3 "Ask Not" (***)

2x4 "Ephraim and Dot" (****)

2x5 "The Girl Who Made the Stars" (**)

Season Three

3x1 "That Hope Is You, Part 1" (****)

3x2 "Far From Home" (**)

3x3 "People of Earth" (**)

3x4 "Forget Me Not" (****)

3x5 "Die Trying" (***)

3x6 "Scavengers" (***)

3x7 "Unification III" (****)

3x8 "The Sanctuary" (***)

3x9 "Terra Firma, Part 1" (****)

3x10 "Terra Firma, Part 2" (****)

3x11 "Su'Kal" (***)

3x12 "There Is A Tide..." (****)

3x13 "That Hope Is You, Part 2" (****)

Season Four

4x1 "Kobayashi Maru"

4x2 "Anomaly"

4x3 "Choose to Live"

4x4 "All Is Possible"

4x5 "The Examples"

4x6 "Stormy Weather"

4x7 "...But to Connect"

4x8 "All In"

4x9 "Rubicon"

4x10 "The Galactic Barrier"

4x11 "Rosetta"

4x12 "Species Ten-C"

4x13 "Coming Home"