Penny asks Leonard to lie to her visiting father, Wyatt (played by Keith Carradine), by pretending they are still dating because her father finally approved of one of her boyfriends.
If you enjoy the "will-they-won't-they" chemistry of the early seasons or episodes where the main cast deals with overbearing parents, this is considered a "must-watch." Watch 711-S04-E09-TBBT
Meanwhile, Howard, Raj, and Bernadette spend the night at the telescope lab, leading to awkward and hilarious tension when Raj drinks too much wine. Penny asks Leonard to lie to her visiting