IS LOVE IN THE AIR? -- Struggling with their estrangement, Niles (David Hyde Pierce) and Maris start seeing a marriage counselor (guest star Bob Dishy) -- with unexpected results. Also, Frasier (Kelsey Grammer) assists with a relationship workshop that Niles is running, and Martin (John Mahoney) is encouraged by Daphne (Jane Leeves) to ask an attractive neighbor on a date.
- Kelsey Grammer as Frasier Crane
- Jane Leeves as Daphne Moon
- David Hyde Pierce as Niles Crane
- Peri Gilpin as Roz Doyle
- John Mahoney as Martin Crane
- Bob Dishy as Bernard Schenkman
- Amy Van Nostrand as Janice
- John Waters as Roger
- Rob Reiner as Bill
- Bess Myerson as Mary
- Maris and Niles' marriage definitively ends in this episode as Maris cheats on Niles with Schenkman.