S3·E21 M.O.M.

...Jett takes his mom in the final part of their studio tour: the special effects lab. When Jules asks Jett why hes giving her a tour, he says he signed her up to be a guest director for Silverstone. When they start the episode, Jett and Nigel do a perfect scene, but Jules says it could have been a little better. Then, Jules makes Jett practice a fight move for over an hour. Jett gets sick of how Jules expects more from him.

JB is at his store when Kayla comes in and asks what hes doing. He says that his dad went to a confrence, and that he was supposed to clean and restock the store. JB realizes he has a test to study for, and so he hires a cleaning guy name ""Crash"". Awhile later, JB and Kayla are talking in the store when a guy with cleaning supplies all over him comes in. He says that hes Crash's cousin.

Meanwhile, Silverstone has to go on a mission to stop a scientist who has figured out the process of enjecting an evil gene into a good gene, so that good people do evil crimes.