A trip to Peoria turns into one long embarrassment for Bob when Jerry introduces him to a pretty girl named Janine. Janine doesn't seem to care that Bob is a married man.

One of Bob's more masculine patients enthusiastically slaps him on the back—and, unfortunately for Bob, it throws his back out. Even more unfortunately, Bob and Emily were supposed to be going to Mexico for a vacation.

Rev. Dan Bradford seeks professional advice from Bob then makes a startling announcement in his Sunday sermon.

With Carol on vacation, Emily is elected to fill in as the receptionist. Everyone loves the idea—except Bob.

Marilyn Dietz, a very attractive divorcee, creates a feud between Jerry and Howard when she starts dating both of them.

A rather embarrassing operation leads to romance between Carol and her doctor. Everyone questions the relationship due to the new couple's age disparity.

Bob suffers an inferiority attack when a test reveals that Emily's IQ is higher than his.

Bob decides to meet the rising cost of living by raising his rates. But the members of his therapy group revolt when he picks the most inappropriate moment to tell them.

Bob turns out to be an uncooperative patient when Emily makes an appointment for them to see a marriage counselor.

Determined to lose eight pounds from around his middle, Bob goes on a strict diet. With Jerry's help, he joins a weight-reducing class that seems to be populated mostly by women.

Howard's son, Howie is visiting. Howard tells Bob he and his ex-wife, Lois, are getting along really well lately, and he thinks she wants to get together again, but Howard's upset to find out she's getting married, and wants Howard's approval.

Emily's parents pay a surprise visit that makes Bob terribly uncomfortable. Emily's father is gregarious, well-traveled, a war hero, an outdoors man—in short, everything that Bob isn't.

Bob's patient Elliot Carlin parades all his phobias and insecurities as he prepares to ask Carol Kester for a date. He then finds it even harder to accept her answer—which is ""yes.""

Christmas Eve is almost spoiled when Bob is trapped in the office because of a power failure.

Jerry Robinson's brother shows up in Chicago after finishing dental school. He takes over Jerry's life, his apartment, and his dental practice.

Emily decides to update her image with a kicky new wardrobe that she says is youthful and Bob says is childish.

Depressed after losing his job with the airline, Howard accepts Bob's offer to join his ""out of workshop,"" a special therapy group for the unemployed. (Bob extends the invitation at Emily's insistence when Howard's attempts to help her around the apartment begin driving her up the wall.)

Hoping to make a contribution to society, Bob offers his psychological counseling services free to a parolee out on an armed-robbery conviction. But Bob seems to be more influenced by his patient's manner than the patient is by Bob's therapy.

At Jerry's urging, Bob hires a business manager to handle his money. He ends up living on a meager allowance that affords him only such luxuries as peanut butter and jelly sandwiches for lunch.

Howard falls head over heels in love with Bob's sister Ellen. Under most circumstances, Bob would find this perfectly acceptable—except that Ellen is getting married to someone else.

When Carol's new love interest interferes with her work, Jerry Robinson doesn't seemed too concerned. But when it disrupts his love life, he decides to fire her.

While filling in for a fellow psychologist, Bob is surprised to find that his first patient is Jerry Robinson, who is reluctant to reveal his problem. A little prodding produces the startling admission that Jerry is in love with Emily.

It's a matter of principal versus principle when Emily refuses to skip one of her students ahead two grades at the elementary school where she teaches.