The Disney+ YouTube Channel has posted a video showing when we seen The Bad Batch last, if you need a refresher before the new series starts May 4th.

"Let's look back to when we last saw Hunter, Crosshair, Wrecker, Tech, and Echo in Star Wars: The Clone Wars! Get to know them before the premiere of the new Original Series, Star Wars: #TheBadBatch​, on May the 4th. Star Wars: The Clone Wars is now streaming on #DisneyPlus​."