"Zero Hour" is the two-part season finale Season Three of the animated television series Star Wars Rebels, comprising the twenty-first and twenty-second episode of the season. It aired on March 25, 2017.
Use of Aurebesh
Part 1
Hera's datafile
Hera is seen holding a datapad, but it is illegible.
Tower murals
The Enlist and See the Stars mural is seen in Ezra's old tower, but only the words "ENLIST" and "STARS" can be deciphered.
Another mural reads "L9". Note that it has been rotated 90 degrees.
A third mural says "DINER". It is the same as the Outer Rim Basic and Aurebesh logo for Plop Dribble's seen at Havoc Station in the episode "Blood Sisters."
Imperial hologram
A giant holomap of the Lothal sector and its subsectors is seen in the Imperial interrogation room. It reads:
Helmet decals
Two members of Commander Sato's are wearing helmets that say "UH1".
Defense formation
Defense Formation Aurek One takes its name from Aurek, the first letter of the Aurebesh alphabet.
Ghost signage
The sign on the door behind Zeb's gunner seat says "WARNING" : "AIR SEALED".
Part 2
Ghost signage
A mirror-inverted version of the "WARNING" : "AIR SEALED" sign from Part 1 is seen on the entrance to Ezra's gunner seat at the end of he episode.
Ghost monitor
"CARGO STATUS" appears on a monitor as the Ghost jumps to hyperspace.
See also
"Zero Hour" on Wookieepedia