Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A Star to Steer Her By	Complete act two of Episode Three.
Big Trouble in Hope City	Complete act one of Episode Three.
Pablo's Revenge	Watch another episode of Galactic Hospital.
Planetfall	Complete the prologue of Episode Three.
Rabbit Hole	Complete Episode Three.
Tease	Accidentally flirt with a dock worker.
Xenobiologist	Examine every alien specimen in the mines.