Dwight proudly describes his security upgrades and then runs a rigged coffee-temperature guessing game with an employee.

Angela brings her son Phillip to work after his daycare turns him away, and Dwight's wedding plans and Andy's audition plans are introduced.

Jim sets up a new assistant-to-the-assistant position, and Dwight begins to see himself as its natural occupant.

At the morning meeting the staff gets Dwight's inspirational quote, and Pam reveals Phillip will be at work because of the daycare problem.

Staff are excited about the documentary airing tonight, and Oscar offers an early release and a trip to Poor Richard's.

Andy meets Casey Dean at the audition line and the two bond over their shared exuberance for a cappella singing.

Kevin pesters the group with a weatherman video and a complaint about the apple snacks. Angela snaps at him and says she hates Phillip. The argument ends with Kevin storming off.

Jim explains the knightly tryout concept, and Dwight begins setting the rules for the assistant-to-assistant tests.

The host explains the audition format, and Andy's reaction produces a chaotic moment with a mole joke.

Dwight announces the assistant-to-assistant tryouts to the office and starts the first challenge with Phyllis.

Darryl pops back into the office and the candidates play a mind-reading and protocol test while Darryl hides.

Dwight presents a phone-message protocol test, and the candidates struggle with a trick question about diplomatic relations.

Andy waits in line and delivers his audition, while the host Mark McGrath reacts to his earnest performance.

Darryl meets the staff outside and tells them about Athlead, then Pam asks whether Jim is really happy in Scranton.

Phyllis runs the coffee obstacle course with two hot coffees, causing a painful scene while the office cheers and Darryl returns.

Jim makes Dwight realize he's the natural choice for the new role, and Dwight receives the position.

Pam worries Jim is giving up too much for her and tells him she is afraid she is not enough for him.

Pam doubts herself and asks Jim if he truly believes he is giving up too much, then Jim asks the crew for help.

The staff wants to record Darryl's stories in 90-minute segments, but Darryl refuses and offers a final group activity.

Kevin and Angela clash after he moves ink down his pen, and Angela snaps, saying he is not needed and mocking his Phillip concern.

Andy shows up at the office in a costume and tells the group about his unique approach, while Dwight tests Phillip on the story of an old horse.

Dwight sets up a Schrute or consequences test for Phillip. Phillip chooses the dirty beet over money. Dwight praises the child's choice.

Angela offers Phillip a choice between a million-dollar check and a dirty beet.

Casey Dean and Andy Bernard interact after the auditions close.

Andy loses his chance at the judges when auditions close and he begs and scrambles to get in.

Andy, in disguise as an old man, tries to win over the judges with a fight song. The judges reject him, and he is pushed out.

Kevin sulks over Phillip's gift card, then the office decides on one final dance for Darryl.

Dwight accuses Angela of hiding a son before rushing to propose to her.

Jim urges Dwight to pursue Angela, then Pam opens a gift from Jim.

Jim hands Pam the sealed note and she reads it before hugging him.

Dwight pulls Angela over and proposes, then admits Phillip is his son.

Angela admits Phillip is Dwight's son and he is stunned.

The office gathers at the bar to watch the documentary premiere on PBS.