This will be updated as more episodes are released.
Episode 1 - The Search Begins - Nothing
Episode 2 - The Detour - Nothing
Episode 3 - The Devastation Part 1 - Nothing
Episode 4 - The Devastation Part 2 - Nothing
Episode 5 - Becoming the Countess - Nothing
Episode 6 - The Attack Part 1 Reference 1 - This features a prototype version of the Superlaser Siege Cannon from The Last Jedi
Episode 7 - The Attack Part 2 Reference 1 - When the solider says "Maybe he works for that Jedi Master that started the new Jedi Order." That was a direct reference to Luke Skywalker himself.
Episode 7 - The Attack Part 2 Reference 2 - When I said "Clan Wren, follow me." That was a reference to when Sabine said the exact same line in Heroes of Mandalore Part 1.
Episode 7 - The Attack Part 2 Reference 3 - "I'm impressed, you have some skill but not enough to save you." The Governor said. "That's funny, I was about to say the same thing to you." I said. This was a reference to when Gar Saxon and Sabine said the exact same line in Legacy of Mandalore.