Brooke Baumer

Sheldon and Amy try to eliminate stress from wedding planning by applying math to the process. Also, Raj “breaks up” with Howard after realizing his best friend is actually hurting his confidence.

Tom tries to get even with Ron by going on a date with Ron's ex-wife (Megan Mullally); April is asked to work with Chris.

Leslie objects to a deal the Parks Department forms with a local company to sell energy bars in Pawnee; Mark agrees to help Tom move.

Cristina looks to Meredith for advice as she assesses her future at the hospital. Derek and Amelia work together on a difficult surgery involving conjoined twins. Meanwhile, Jo is spread too thin when she tries to work on several cases at once and Stephanie realizes the truth about Bailey's bubble boy case.

Leslie launches a competition with tech company Gryzzl for a large parcel of land, which she wants to turn into a National Park.

Leslie and Ron set their differences aside to help Jeremy Jamm get away from Tammy 2; Ben promises to help April find passion in her life; Andy and Tom go to Chicago.