After finding a long-lost letter of reconciliation from Frasier, Lilith comes to Seattle and tries to rekindle their relationship.

Frasier's budding relationship is put to the test when he bumps into his ex-wife Lilith while on vacation with his new love.

Jealousy rears its ugly head when Frasier bumps into Lilith and her new boyfriend while vacationing with his new girlfriend.

Frasier and Lilith join forces so that their son can gain admission to the most prestigious private school in Boston.

An unexpected visit from Lilith stirs old passions in Frasier and new ones in Niles.

When Lilith visits Seattle over Thanksgiving, Frederick conspires to reunite his parents.

A Caribbean trip turns chaotic as a familiar figure from Frasier's past appears.

Frasier continues to be conflicted about whether he truly wants to be with Lana instead of Claire. He consults his family, but a chance encounter at the airport steers him toward making a decision. Unfortunately, he may be too late.

Troubled by his recent relationship woes, Frasier goes to the country for peace and quiet but ends up facing the ghosts of failed relationships past.

As Frasier prepares for Frederick's bar mitzvah, Noel offers to translate Frasier's speech into Hebrew in exchange for an autograph from a science fiction convention. However, when Frasier doesn't keep his end of the bargain, Noel uses his wealth of Star Trek knowledge to take revenge.

Lilith comes to Seattle, and tells Frasier that she would like to have another child. She wants him to father the child through artificial insemination so that Frederick could have a full-sibling. Frasier is hesitant to go along with this, so Lilith tries to manipulate him by bringing up touching stories from Frederick's childhood.

Lilith comes to town for a one-day conference. She and Frasier try to get together, but keep having to cancel. Lilith discusses her romantic problems with a colleague at Cafe Nervosa before having to return to the conference.