I made three new crossover characters in 42nd episode "Spark to Spark with the Robots". Robotboy (voiced by Laurence Bouvard, he appears in normal form, later he transforms into Superactive Mode) and Robotgirl (voiced by Laurence Bouvard) from Robotboy franchise, and Jenny Wakeman (voiced by Janice Kawaye) from My Life as a Teenage Robot franchise.
Here's the crossover episode. In 112th episode "Welcome to Lakewood Plaza Turbo" (August 26, 2013), Stephanie Nadolny, Mena Suvari and Ian Jones Quartey reprises their roles as K.O., Enid and Radicles.
I'll try. You can add the script tomorrow. Carla carved the pumpkin, Bonnie gave Tessa a sash to sew her costume, Helga helped Wilhemina sew her costume, everyone were baking, making the decorations and sewing. When it was done, Vladka sighed with relief that the work is done.