Diff'rent Strokes

Mr. Drummond and Maggie are too busy to spend time together, which has Sam worried that their marriage may be in trouble. So he and Arnold put together a romantic evening for the two of them.

A tough guy wants Arnold to take care of his girlfriend while he is away, but the girl develops feelings for Arnold.

Arnold hopes to become a photojournalist and ends up getting a job at a newspaper, but he becomes disillusioned when he's asked to run errands instead of taking pictures.

A father who suffers the loss of one of his sons decides to kidnap Sam to replace him. Part 1 of 2.

Conclusion. Sam manages to call home and tell Arnold where he is.

Sam manages to get a popular children's show host for his birthday party, but is disappointed when his friends are more interested in the guest than in him.

Willis has a hard time adjusting to college, so he decides to drop out. However, he changes his mind when he finds out he's not the only one having trouble adjusting.

Kareem Abdul-Jabbar returns as Arnold's teacher and has Arnold take over teaching the class for one day. Arnold isn't thrilled about the assignment at first, but after reading the assigned book, he gets excited.

Arnold and his friends find out that a racist group will be speaking on campus, so they decide to interrupt their assembly by throwing rotten food at them. When Mr. Drummond find out, he objects to Arnold's behavior.

Arnold tries to learn the saxophone to impress a girl, but is so bad that his friends try to kick him out of their group.

Arnold gets blamed when food starts disappearing from the house, but he soon discovers that Kimberly, who has developed bulimia, is the culprit.

Arnold tells his friends that he has had sex with a girl, which leads to her deciding to have sex for real - which Arnold isn't ready for.

Arnold pulls a prank at the local burger place in order to get into a club, but his prank causes a mentally challenged worker to get fired, so Arnold tries to make things right.

Sam begins to hang out with Willis a lot more than with Arnold, making Arnold feel left out.

Arnold enlists a hustler to help him conceal a poor grade from Drummond, but the ruse becomes increasingly tricky to maintain.

Sam gets into a fight at Hamburger Hanger with a kid who constantly picks on him. Sam later discovers the bully is a foster child and is very jealous of what Sam has.

Willis gets the sister of one of his old girlfriends to go out with Arnold by giving her concert tickets. When Arnold finds out he is angry at what Willis did, but turns out the girl likes Arnold for real.

Arnold and Lisa get stuck working together on a school assignment, and get locked in their school's darkroom. This leads to the two of them coming to an understanding about their adversarial relationship.

Arnold finds out that several athletes at school are using anabolic steroids, so he goes undercover to expose the full story.