When Anakin is handing the detonator over to Wrecker, there is a poster on the wall inside the Bad Batch's ship with Aurebesh text which translates to "I want to believe." Behind the scenes galleries on the official Star Wars site reveal this is part of a poster featuring a saucer shaped star ship.
The shot of the Y-Wings of Gold Squadron attacking the Anaxes assembly complex is a homage to a concept painting by Ralph McQuarrie of Y-Wings attacking the Death Star originally painted for the original Star Wars: Episode IV - A New Hope (1977).
The 'Jedi fortune cookie' message that opens the show reads "Trust placed in another is trust earned."