K48JD-D

Eve returns home for a weekend visit, and Vanessa tries to re-create a childhood tradition for the girls; Jen asks Ed and Chuck for help in finding out who is stealing her work lunches; Kristin's big day finally arrives.

A series of time jumps finds Mike and Vanessa with two new grandchildren as well as Mandy and Kyle living with them; Vanessa and Mandy clash over Vanessa's "helpfulness"; Chuck desperately hopes it's last call on Ed's mixology happy hour.

Sheldon is required to attend Sunday school, but when he returns he decides to learn all he can about a multitude of religions.

Sheldon battles President Hagemeyer's mysterious boss over the university's science requirements; Mary discovers that Georgie is working at Meemaw's illegal gambling room.

Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law; Leonard is disappointed when his friends exclude him from a scientific project.

While Leonard prepares for a three-month science expedition, he and Penny re-evaluate their feelings for each other.

From War Memorial Stadium in Laramie, Wyo.

When an airport worker is found dead of an apparent suicide, Graff and Bateman quickly deduce he has been murdered and may be responsible for a crime of his own.