"A Tougher Nut and a Note on File" is the seventh episode of Young Sheldon season six, featuring Georgie's tense meeting with Mandy's parents and Sheldon's inspiration for a grant database. The episode highlights Mandy's parents, Jim and Audrey, and explores storylines involving Missy's new job and Sheldon's academic pursuits. For more details, visit TBS . A Tougher Nut and a Note on File