Following Martin's death, Frasier returns to Boston for a college lecture and to check in on his son, Freddy—whom he quickly suspects is keeping a secret from him.

Frasier hopes to make up for lost time with Freddy, but a disagreement over where to put a small Red Sox souvenir quickly escalates into a battle of wills between father and son.

Frasier begins a new career at the university, determined to be taken seriously as an academic—but finds that a nearly twenty year stint as a daytime talk show host is not easy to escape.

Freddy aims to show his father that he's not "just a firefighter," but rather part of a noble and fulfilling cause–then picks the worst possible day to invite Frasier to the firehouse.

Frasier joins Alan and Olivia as they seek membership in the university's prestigious "Founders' Society." Meanwhile, David digs into Freddy's personal life for a surprising reason.

Eve agrees to set both Frasier and Freddy up on blind dates—but when both women are expected on the same evening, father and son start to turn on each other.

Frasier discovers that Freddy has been seeing Lilith behind his back, setting up a battle between the two exes for their grown son's affection.

While Frasier attempts to convince the university's provost to grant him full professor status, David faces a horrific, life-shattering crisis which will take all of Freddy's help to get him through: his first-ever B.

When Freddy complains about being treated like a child, Frasier suggests that he help deal with some repairs around the apartment. But then guess what? Things get more complicated!

On Christmas Eve, Freddy stretches himself to be there for both Frasier, who's coping with Martin's death by throwing a lavish party, and Eve, who's hiding out at home dealing with her own loss.

When Frasier learns that Alan was the one who advised Freddy to drop out of college, their decades-old friendship is jeopardized. Meanwhile, Eve and David grapple with an imported jamon Iberico.

Love is in the air - or so Frasier thinks! Determined to "give Cupid a win" on Valentine's Day, Frasier inadvertently becomes involved with both sides of a troubled relationship.

When Roz takes Eve and Olivia out for a girls' night, Frasier, Alan and Freddy are upset that they have to watch Eve's baby instead of meeting women. However, their evening changes when they realize that a baby just might be the perfect icebreaker.

When Frasier learns that Freddy has been seeing a therapist, he tracks her down to find out what's wrong and makes a rash decision in the process. Meanwhile, Freddy and Eve help each other get through the anniversary of Adam's passing together.

Frasier's agent Bebe Glazer visits, leading Frasier to wonder how he can have more in common with her daughter than with his own son.

When Frasier sees that Eve is ready to date again, he enlists Roz's help to plan a romantic weekend for her and Freddy at a Cape Cod beach house.

Frasier tracks down a reclusive author at his tailgate party. Meanwhile, Olivia deals with two fake boyfriends in an attempt to impress her sister.

When Frasier returns to Seattle for a KACL anniversary special, he reconnects with a former caller whose life went off the rails.

When Olivia hosts a surprise murder mystery party, Frasier tries everything he can to get himself and his date out of the evening's festivities.

As Christmas approaches, Frasier enlists the entire gang to help Alan reunite with his estranged daughter and meet his new grandchild.