When Dr. Sturgis recommends Sheldon and Missy for a university research study on twins, Mary is unhappy when the test results go to Sheldon’s head.

Sheldon struggles to cope with the first signs of puberty. Also, Mary and George Sr. hunt for new jobs, and Georgie and Meemaw take a business trip across the border.

Sheldon struggles to cope with the first signs of puberty. Also, Mary and George Sr. hunt for new jobs, and Georgie and Meemaw take a business trip across the border.

As the church congregation gossips about Georgie, Missy stands up for her brother, and Sheldon is distracted by the family drama.

Sheldon and Missy learn about Georgie’s pregnancy, and the whole family promises to keep it a secret.

Sheldon attends his first comic book convention; Mary tries selling makeup.

Sheldon encourages Missy to question the Bible. Also, Meemaw is determined to catch George Sr. in a lie, and Mary helps Pastor Jeff search for a youth pastor.

Sheldon and Dr. Sturgis have their first fight when Dr. Sturgis marks a question wrong on Sheldon’s test. Also, Mary takes over for Pastor Jeff when he’s out sick.