Willis becomes the middleman in a police effort to halt use and trafficking of drugs at his high school.

Kimberly must face the biggest decision of her life -- whether to spend a ski weekend with a popular boy or turn down the opportunity to get away on her own and remain, in her mind, daddy's ""little girl.""

When Willis takes his steady girl friend for granted, his selfishness sends her out with another guy -- who won't ignore her, but there may be hope for happiness if a self-appointed Cupid succeeds in his plan.

Arnold's ecstasy over meeting his hero Mr. T goes from elation to emulation when the young girl he's trying to impress snubs him in favor of his idol. Former bouncer and bodyguard Mr. T, who came to national prominence as Sylvester Stallone's opponent in ""Rocky III"" and was the star of the hit television series ""The A-Team,"" makes a special guest appearance as ""The A-Team's"" B.A.

Kimberly and Arnold break a long-standing family rule and face death when, on their return from a shopping trip, they find themselves short of cash and decide to hitch a ride home rather than call home for assistance.

Hitchhiking leads to kidnapping for Arnold and Kimberly, but Arnold escapes and he is so disoriented he is unable to remember the location of the kidnapper's apartment so that the police can rescue Kimberly who's till being held captive.

At 16, Willis thinks he's man enough and old enough to ""top"" a few drinks with the guys, but Drummond's objections send Willis storming out of the house intent on proving his father wrong.

School ""thug"" Larry coerces Willis into teaching him how to ""make it"" with girls, but things go from bad to worse when Larry's first target is Willis' sister Kimberly.

Drummond's provided with police protection of a most unusual kind after his charitable philanthrophy leads to a $1,000,000 extortion threat against him.

Maggie's reaction to a proposed pre-nuptial agreement threatens to hamper Phillip's happiness -- but could eliminate Arnold's fear about ""inheriting"" a strict new mother and a pesky little brother.

Unaware that he's being lured into the carefully crafted trap of a child molester, Arnold eagerly agrees to perform a simple task in return for an overly generous reward from a ""friendly"" neighborhood merchant.

Arnold and Dudley's ""friendship"" with a local merchant reaches a dangerous turning point when, unbeknownst to the boys, the man, who is actually a child molester, is about to make his move.

Kimberly is overjoyed when Olympic Gold Medalist Dorothy Hamill sees great promise in her as a competitive figure skater, but she's even more astounded when Drummond agrees to let her leave the New York ""nest"" to train full time with the award-winning skater -- in Los Angeles.

Arnold and Dudley succumb to peer pressure and ignore warnings against cigarette smoking, only to have the harsh realities brought to light by Dudley's father, a chronic smoker.

When Arnold is in trouble for putting his goldfish in Mr. Drummond's hot tub, Willis insists that it is wrong to convict him without a trial. The whole family, with Mrs. Garrett as judge, comes up with an important verdict.

Mr. Drummond's intention to marry an attractive widow doesn't meet with his children's approval, and Arnold, Willis and Kimberly devise a scheme they hope will turn his ""romantic"" proposal into a disaster.

Arnold has appendicitis and Drummond has to deal with the bigotry of Fred Tanner, a potential housing project investor whose daughter is the key to getting Arnold to sit still for the operation.

Arnold and his buddies fabricate a ""little white lie"" in an attempt to get rid of an overly-conscientious substitute teacher, but their tell tale could result in more than just removing the teacher from the classroom -- it could destroy his entire career.

A long lost trunk returned to the boys contains a tape recording of their deceased mother which brings to the surface a previously unrecognized problem that triggers uncharacteristic behavior from a usually happy-go-lucky Arnold.

Determined to prove he didn't fabricate a story about drug abuse in his grade school just to win a journalism contest, Arnold takes his article to the New York City newspaper sponsoring the competition, and when they run his story on the front page, Arnold receives some unexpected more support from First Lady Nancy Reagan.

Arnold unwittingly solves his father's dilemma -- trying to make romance and finance go hand-in-hand -- when Drummond finds himself falling for an attractive local television aerobics instructor that his company is attempting to turn into an international success. Veteran Broadway and television actress Dixie Carter is introduced in the role of fitness instructor Maggie McKinney.

A family whose little boy died, forces the father to kidnap Sam, who is shopping for some snacks in a grocery store. After the kidnapping, the man threatens to kill Sam's parents if he attempts in any way to escape.

Mr. Drummond and family gather around their Christmas tree and recall the many humorous incidents that the family has shared since Arnold and Willis moved in. This special one-hour episode features highlights from previous shows.

In order to earn the money to buy disco skates, and to prove a point to Mr. Drummond, Willis gets a job...but is fired on his first working day.

The Drummond household's curiosity over Mrs. Garrett's new beau turns first to surprise and then to alarm. Mrs. Garrett is in a dither over her first date with Leon, especially when it is followed by a very important question.