You're the One That I Want: As Mel and Joe's wedding weekend dawns, Joe is injured at his bachelor party, Mel's father is missing, and a secret is accidentally revealed. (S4 Ep19/21)
Uninvited: Mel is not thrilled when Joe's mother Gloria drops by, but it's Joe who hits the roof when his estranged brother Tony turns up expecting to be able to stay. (S4 Ep18/21)
Don't Look Back in Anger: When Mel and Joe meet with their minister to discuss their relationship, they try a little too hard to prove to him that everything is perfect. (S4 Ep17/21)
Right Time, Right Place: When Mel's friend Carrie calls off her wedding, Mel wonders if she should keep the flowers, catering and venue for her and Joe to use instead. (S4 Ep16/21)
Accidents Will Happen: Mel thinks she might be pregnant but is unsure about whether to share the tidings with Joe because he's busy preparing for a major business pitch. (S4 Ep15/21)
More Than Roommates: Joe inherits an ugly chair from his grandma and is pleased to be able to bring a piece of his life into Mel's home at last, but Mel doesn't agree. (S4 Ep14/21)
Born to Run: Mel's father comes to town to help Mel announce her candidacy for the State Senate. Ryder tries to find a winning idea for his Entrepreneur's Club project. (S4 Ep13/21)
Catch & Release: Against Mel's wishes, Joe agrees to act as wingman to his recently divorced friend Charlie when they go out to a bar. Zander gets two new roommates. (S4 Ep12/21)
I'll Cut You: Mel takes Joe's side when he's involved in a hit-and-run accident, until she discovers the other driver is her hairdresser. Ryder tries to win Stella back. (S4 Ep11/21)
The Chaperones: Mel and Joe volunteer to chaperone Ryder's school dance, but get themselves kicked out for bad behaviour. Ryder contemplates breaking up with Stella. (S4 Ep10/21)
My Roof, My Rules: When Mel and Joe discover that Lennox is dating Emerson, her teaching assistant, Joe asks Mel to put her foot down and forbid the relationship. (S4 Ep9/21)
To Tell the Truth: Mel and Joe's friendship with married couple Nate and Gillian is put in jeopardy when Mel reveals a secret that Nate has told Joe in confidence. (S4 Ep8/21)
Couples Therapy: Mel persuades Joe to attend couples' therapy as they are always arguing, but she's caught off guard when the therapist turns out to be his ex-girlfriend. (S4 Ep7/21)
House Broken: Mel wants to get a dog for the household, but Joe is not in favour of the idea and argues that he will be the one who gets stuck with taking care of it. (S4 Ep6/21)
Plus One: When Mel takes Joe to a social event connected with her work, he reveals too much about both their opinions to the press and gains her some bad publicity. (S4 Ep5/21)
Feel the Burn: After winning a 10-course dining experience in a raffle, Mel decides to join an exercise boot camp to lose weight before gorging on the gourmet meal. (S4 Ep4/21)
The New Deal: Mel becomes frustrated when Joe's demanding new job prevents him from spending any quality time with her, so she sneaks over to see him at work. (S4 Ep3/21)
Independence Day: Mel feels it's a good idea for her and Joe to explore their new relationship slowly, but he takes things too far when he gets another job and moves out. (S4 Ep2/21)
A Decent Proposal: Joe rushes home to tell Mel that he has feelings for her after their romantic night together in New Jersey, but her old flame Austin is in the picture. (S4 Ep1/21)
A New Kind of Christmas: Mel is excited to spend Christmas with her sister Meredith, who is on a home visit from prison, but Joe is not at all pleased to see their guest. (S3 Ep16/16)
What Happens in Jersey (Part 2/2): Joe and Mel are left confused when his grandmother Sofia resorts to trickery to make her grandson and his 'wife' repair their marriage. (S3 Ep15/16)
What Happens in Jersey (Part 1/2): Mel must take a trip to New Jersey and pose as Joe's ex-wife at a party for his dying grandmother, who doesn't realise he's divorced. (S3 Ep14/16)
From Russia with Love: When Joe's Russian girlfriend Elena comes to visit, she soon starts to monopolise him, leaving no time for his domestic duties, which irritates Mel. (S2 Ep14/15)
Wherefore Art Thou Lennox: When Lennox starts an internship at Mel's office, she hits it off with a fellow intern who happens to work for Mel's biggest political rival. (S2 Ep13/15)
Mother of All Problems: When Joe tries to smooth over the troubled relationship between Mel and her mother Monica, he gives Monica some advice that infuriates Mel. (S2 Ep12/15)
A Pair of Sneakers: Mel's attempts to teach Lennox how to drive don't go very well, but when Joe offers to take over the lessons, Mel refuses to allow it. (S2 Ep11/15)