This story arc adapts Henry Gilroy's 2008 6 part Clone Wars comic book story 'Slaves of the Republic' originally published by Dark Horse. 'Kidnapped' is mostly based on Star Wars The Clone Wars no. 1 (cover dated September 2008), with the octopus like Blixus creature being taken from no. 2 (October 2008).
The 'Jedi fortune cookie' message that opens the show reads "Where we are going always reflects where we came from."
The All Terrain Reconnaissance Transports (AT-RTs) used by Anakin, Ahsoka and their troopers have "501" printed on their sides, as they are part of the 501st Clone Battalion.
The Aurebesh text visible on the side of Darts D'nar's freighter translates to "Tecora".
The Aurebesh text visible on the bomb on the back of tactical droid translates to "ghoooe".