Retrograde

The Expanse · Season 4 · Episode 4

Drummer and Ashford confront a dangerous person from Naomi's past. Murtry hunts down a target. Bobbie's makes a life-changing confession.

Season 4

• Episode 1 · New Terra
• Episode 2 · Jetsam
• Episode 3 · Subduction
• Episode 4 · Retrograde
• Episode 5 · Oppressor
• Episode 6 · Displacement
• Episode 7 · A Shot in the Dark
• Episode 8 · The One-Eyed Man
• Episode 9 · Saeculum
• Episode 10 · Cibola Burn