Cooperative Calligraphy

The study group works on an evolutionary chart while Britta holds up the final stage of humanity.

Dean Pelton announces the Puppy Parade and Jeff mentions his date.

Annie realizes her purple gel grip pen is missing and accuses the group.

Annie insists someone took her pen and demands a confession.

Annie reveals a photo proving the pen was on the table before it disappeared.

Abed says the situation is like a bottle episode and Britta accuses him of taking the pen.

The group searches Britta's bag and finds condoms, but not the pen.

Dean Pelton announces the Puppy Parade again and Britta tries to leave.

Shirley and Pierce argue about the pen and Pierce accuses Troy.

Jeff tries to calm everyone down and suggests the pen rolled away.

Jeff gives the thief a chance to confess, but Pierce accuses Jeff.

Jeff locks the study room doors and cancels his date to find the pen.

The group searches Abed's bag and finds charts of the women's menstrual cycles.

Shirley refuses to empty her bag and the group suspects her.

The group finds a pregnancy test in Shirley's bag and she explains her situation.

The group frantically searches the study room for the pen.

The group strips to their underwear to search for the pen.

The group cuts open Pierce's cast to search for the pen.

Annie accuses Shirley of taking the pen due to her pregnancy scare.

Jeff suggests a ghost took the pen to resolve the conflict.

Troy tells a story about a ghost from 1856 who lost his pen.

The group leaves the study room and Abed reveals the pen was in his jacket.

The Puppy Parade continues with floats and puppies.