Season finale. The team discovers troubling revelations.

The team prepares a plan. Mark attends Devon and Ricken's party.

Mark and the team encounter new security measures from Cobel.

The team angers Cobel by forming an alliance.

Irving and Dylan confront Burt about his lies. Mark and Helly discover a strange new department.

Irving finds an intriguing book at work. Helly aggressively pursues a meeting with her Outie. Mark attends a funeral with Ms. Selvig.

Mark takes the team on a field trip, but Helly continues to rebel. A deteriorating Petey struggles to tell Mark about Lumon's misdeeds.

The team train new hire Helly on macrodata refinement. Mark takes a day off to meet with a mysterious former colleague.

Mark is promoted to lead a team who've had their memories surgically divided between their work and personal lives.