After Sheldon’s mother and Leonard’s father share an evening together, everyone deals with an awkward morning the next day. Also, Penny’s family arrives for the wedding ceremony, including her anxiety-ridden…

Toby helps Kate relax in the midst of her fervent quest to lose weight. Beth questions the motives of Randall’s biological father, as Randall adjusts to having his dad in…

On his birthday, Jake brings Amy to meet his mother, but a surprise appearance by his dad throws a wrench in his special day. Meanwhile, Rosa and Charles struggle with…