It’s an action-packed week for DC Super Hero Girls featuring world-saving accessories, time machines, dinosaurs and more!

This week’s all-new animated short follows Bumblebee as she designs a high-tech accessory for her Weaponomics class. Check out the Ultimate Accessory episode above.

Also debuting this week, Wonder Woman, Batgirl, Harley Quinn and the rest of the DC Super Hero Girls continue their time traveling adventure in the third chapter of DC’s new Digital First series DC Super Hero Girls: Past Times at Super Hero High. In this week’s chapter, Beast Boy spends some quality time with his fellow dinosaurs, and Batgirl and Harley Quinn must learn to work together in order to fix their time machine and find their lost teacher.