Julie Dove

Dwight (Rainn Wilson) goes to great lengths to steal a DNA sample from Angela's (Angela Kinsey) baby in order to prove his paternity. Two-time Emmy winner James Spader, John Krasinski, Jenna Fischer, Mindy Kaling, B.J. Novak, Leslie David Baker, Phyllis Smith, Brian Baumgartner, Oscar Nunez, Kate Flannery, Paul Lieberstein, Creed Bratton, Craig Robinson, Ellie Kemper, Zach Woods, and Catherine Tate also star.

Rossi and the team present one of the longest-tenured serial killer cases to college students, and they take the class through a nearly 20-year chase for the murderer. Mackenzie Astin guest stars.

When her mother Dana (guest star Megan Mullally) comes for a visit, Penny (Casey Wilson) worries that her positivity borders on delusion. Meanwhile, Jane (Eliza Coupe) and Brad (Damon Wayans Jr.) help Max’s (Adam Pally) limo tour business with skills they picked up in couples’ improv class.

During a field trip, Kate tries to set Diane up with another parent; Bert tries to get on his teacher's good side.

On his first day at school, Dylan starts a classroom protest over having to wear uniforms.