Diane's boyfriend is putting pressure on her to go all the way.
Ruthie is rejected at school by her friends as they learn her dad is the local outspoken talk-show host.
Larry receives his final divorce papers and struggles with his emotions.
A homesick Diane begins to miss her boyfriend in L.A. So, she decides to hitch her way back.
Diane and Ruthie begin to miss their mom and Morgan helps fill the void.
Ruthie and her friend Eric develop a case of puppy love and aren't sure how to react.
Recently divorced Larry goes on a date with Morgan's sister much to Morgan's worry.
It's feared that Diane is on uppers when Larry finds them in her purse.
New tenant Leona moves into Larry's building and aids his daughters but angers him.
The Alder family welcomes Drummond's family to Portland, as Drummond is considering the downsizing of Alder's station.
The crossover starts on Diff'rent Strokes S01E20 The Trip (I).
Before a party at the Alders', Ruthie's boyfriend Eric gets a crush on Diane.
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Ruthie gets to do her own radio talk-show for a school project. She uses Larry's radio show airtime.
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