The Techno Union made several special modifications to Echo, including a scomp link. Attached to his arm, Echo uses the device to unlock the vent.
The decimator is a devastating piece of new Techno Union technology first appearing in this episode.
The gliding D-wing droids are a unique variant of the classic battle droid used by the Techno Union.
A new flying variant of the octuptarra droids makes its debut in this episode. The standard version first appeared in Star Wars: Revenge of the Sith.
Wrecker's fear of heights, established in the first episode of the season, comes into play when the clones must cross a chasm on a narrow pipe.
As told to StarWars.com, voice actor Dee Bradley Baker assigns each clone an adjective to make their personality and voice distinct in his mind. His adjective for Rex: "solid."
Skywalker Sound's Matthew Wood, voice of Wat Tambor in the original run of Star Wars: The Clone Wars, returned to the role for the final season on Disney+. But that's not his only performance in this episode...
Wood also voices the droids of the Separatists, including the new D-wing security droids.
