Tina and her new science partner create a device that allows them to communicate with aliens, but their excitement turns to fear when they receive a dangerous warning message. Meanwhile, Bob attempts to sell mini coat racks he bought.

Tina is put in charge of the Wagstaff School time capsule project, but she makes an enemy when she rejects Tammy's submission.

Susmita offers to help Tina with a photography class assignment, but Tina can't stop thinking about all the fun Tammy, Jocelyn, Zeke and Jimmy Jr. are having ditching class. Meanwhile, a woman who used to live in the Belchers' apartment comes for a visit.

After a student accuses her of cheating on a test, Tina needs to get back to school to clear her name, but a snowstorm traps her and her family at home.