Jack on the Lam
Episode: 4x01 | Airdate: Sep 11, 1979
Jack disguises himself as Chrissy to avoid FBI agents who are on his trail.
Episodes
Love Thy Neighbor
Episode: 4x02 | Airdate: Sep 18, 1979
Chrissy catches Jack working as a paid escort.
The New Landlord
Episode: 4x03 | Airdate: Sep 25, 1979
The roommates accidentally sells the new landlord's furniture.
Snow Job
Episode: 4x04 | Airdate: Oct 2, 1979
Chrissy tries to sell cosmetics at Ralph Furley's poker game.
Jack the Ripper
Episode: 4x05 | Airdate: Oct 9, 1979
Jack sheds his Mr. Nice Guy image with the help of some assertiveness training.
The Life Saver
Episode: 4x06 | Airdate: Oct 23, 1979
A grateful man offers the trio a free penthouse.
Old Folks at Home
Episode: 4x07 | Airdate: Oct 30, 1979
The roommates take in an old man whose apartment has been converted into a condominium.
A Camping We Will Go
Episode: 4x08 | Airdate: Nov 6, 1979
The girls crash Jack's weekend in a remote cabin.
Chrissy's Hospitality
Episode: 4x09 | Airdate: Nov 13, 1979
Jack and Janet worry about Chrissy's health.
The Loan Shark
Episode: 4x10 | Airdate: Nov 20, 1979
Jack gives cooking lessons to a mobster's wife.
The Love Barge
Episode: 4x11 | Airdate: Nov 27, 1979
Jack must choose a guest for a luxury cruise.
Ralph's Rival
Episode: 4x12 | Airdate: Dec 4, 1979
Ralph says Chrissy is his wife to impress a rival.
A Black Letter Day
Episode: 4x13 | Airdate: Dec 11, 1979
A letter in a newspaper column convinces each of the two girls that the other is having an affair with Jack.
The Reverend Steps Out
Episode: 4x14 | Airdate: Dec 18, 1979
Chrissy's minister father announces that the roommates' living arrangement is jeopardizing his new appointment.
Larry Loves Janet
Episode: 4x15 | Airdate: Jan 8, 1980
Chrissy and Jack try to cool Larry's crush on Janet.
Mighty Mouth
Episode: 4x16 | Airdate: Jan 15, 1980
Jack runs into trouble when he dates a pretty gym instructor.
The Love Lesson
Episode: 4x17 | Airdate: Jan 22, 1980
Jack faces eviction when he lets it slip to Furley that he is not gay.
Handcuffed
Episode: 4x18 | Airdate: Jan 29, 1980
Jack and Chrissy are handcuffed together as a joke and then discover they have no key.
And Baby Makes Two
Episode: 4x19 | Airdate: Feb 5, 1980
Chrissy and Jack think Janet wants a baby.
Jack's Bad Boy
Episode: 4x20 | Airdate: Feb 12, 1980
A 12-year-old runaway moves into the apartment.
Lee Ain't Heavy, He's My Brother
Episode: 4x21 | Airdate: Feb 26, 1980
Jack becomes enraged when his brother decides to romance Chrissy.
The Root of All Evil
Episode: 4x22 | Airdate: Mar 4, 1980
Chrissy's big track winnings threaten to split the threesome.
Secret Admirer
Episode: 4x23 | Airdate: Mar 11, 1980
Chrissy sets up a rendezvous with the man who has been sending her secret love notes.
The Goodbye Guy
Episode: 4x24 | Airdate: Mar 25, 1980
The roommates help Furley attract a lady friend.
Jack's Graduation
Episode: 4x25 | Airdate: May 6, 1980
A dishonest student may prevent Jack's graduation.