Laurie and Patti move back in with Sidney when Laurie's marriage fails.
The trio are in danger of eviction when the building goes condo and the new rules limit occupancy to one family per unit.
Laurie's estranged parents come visit, and she learns that her father never told her mother about her many letters.
Patti takes up the violin, an interest that plays on the nerves of Sidney and Laurie—until they learn that her teacher is virtuoso Itzhak Perlman.
Sidney sits in on a seance and asks to speak to his late mother Yetta.
Laurie's boss goes after Sidney.
Laurie considers marrying her new boyfriend.
Laurie tries to cure Patti and Sidney of their dog phobia.
A fire damages the apartment.
Laurie's bringing Patti to an anti-nuclear protest rally doesn't sit well with Sidney.
Patti's biological father wants Patti to know the truth about him -- but Laurie doesn't.
Sidney is racked with guilt when Patti lapses into a coma after falling from a swingset he built.
It's the ninth anniversary of the day Sidney and Laurie first met.
Sidney tries to help a teenage prostitute get off the streets. (Part 1 of 2)
Sidney's visiting uncle Mort is no longer the good man Sidney remembers.
Sidney worries about the stress Patti's undergoing because of her strict ballet teacher.
Laurie's soap character undergoes a sex change and when Laurie begins using Sidney as inspiration for her work, he demands editorial rights.
Patti auditions for a commercial.
Sidney and Patti are temporarily blinded by an accident during a repair of her dollhouse.
Sidney shocks a rabbi friend when he mentions he never had a bar mitzvah.
Laurie's birthday has her feeling old, so she goes on a date with a 21-year-old.
Laurie enters Sidney's old paintings in an exhibition.
Laurie is engaged to a dissident Latin American filmmaker who illegally fled his homeland for the U.S.
Sidney's fling with a female co-worker just doesn't work out. Guess Why?
Sidney rescues a suicidal gay man, then is trapped into being his friend.
An opera star agrees to perform at Patti's birthday party, mercifully replacing Sidney's terrible clown act.