The Big Bang Theory: Leonard and Penny’s Relationship Timeline, Season By Season (final part)

9. What Happened To Penny And Leonard In Season 9
Married!

The Big Bang Theory season 9 picks up where the finale of season 8 leaves off, with Penny and Leonard headed to Vegas to get married. Things do get off to a rocky start after Leonard confesses to a drunken kiss with someone else that Penny didn’t know about. However, they still get married in season 9, episode 1, “The Matrimonial Momentum.” The very same episode does, however, see something of a breakup between Amy and Sheldon, surprisingly sending Sheldon into a tailspin.

The rest of The Big Bang Theory season 9 sees Penny and Leonard adjusting to married life and dealing with the fact that their friends are none too pleased that they were left out of the entire wedding. Leonard ends up trying to have a bachelor party in Mexico, but the gang gets a flat tire along the way. Additionally, Amy and Bernadette throw a mini bachelorette party for Penny in the same episode. That being said, it seemed like the Penny and Leonard relationship was pushed to the background in favor of Amy and Sheldon getting to experience their own share of ups and downs.

10. What Happened To Penny And Leonard In Season 10
Penny And Leonard Have A Re-Do Ceremony In The 10th Season & New Living Arrangements

Viewers who were disappointed at the Vegas wedding in The Big Bang Theory season 9 got the Leonard and Penny ceremony of their dreams in season 10, episode 1, “The Conjugal Conjecture,” when they decide to have a ‘do over’ to involve their friends and family. It’s a beautiful ceremony, with everyone present, and it’s one of the best episodes in The Big Bang Theory as a result. However, there have to be a few hairy moments, especially when it comes to Penny’s family arriving and Leonard’s father sleeping with Sheldon’s mother.

Following that, Penny and Leonard settle into married life, and eventually end up changing apartments. After Amy has to move out thanks to water damage, she and Sheldon move into Penny’s old place, and Penny and Leonard finally get Leonard’s apartment to themselves as a married couple. Things do get a little tense when Leonard finds out that Penny is slowly moving all of his collectibles into storage in The Big Bang Theory season 10, episode 7, “The Veracity Elasticity.” However, the series has established at this point that the two are together for good, so it’s nothing their relationship can’t handle.

11. What Happened To Penny And Leonard In Season 11
The Eleventh Season Covers Penny And Leanoards Happy Marriage (But No Baby Plans)

The Big Bang Theory season 11 sees a rare time of peace and happiness for Leonard and Penny, as they navigate the usual ups and downs of a marriage. They do also find an old video of Penny, talking about how much she does love Leonard, which helps him feel more secure in the relationship. Otherwise, not much of note happens between Penny and Leonard in season 11. The installment mainly focuses on Bernadette getting pregnant again, as well as Sheldon and Amy attempting to plan their own wedding.

This is also the season that Penny and Leonard start talking about kids, thanks largely to Howard and Bernadette. In The Big Bang Theory season 11, episode 6, Penny decides to watch Howard and Bernadette’s infant daughter Halley while Bernadette is on bedrest. In addition, the reappearance of Penny’s ex Zack sees him asking Leonard to be a sperm donor for him and his wife, because Zack is infertile.

All of these instances culminate with Penny and Leonard deciding not to have kids, as they like their life together the way it is.

All of these instances culminate with Penny and Leonard deciding not to have kids, as they like their life together the way it is. All in all, the penultimate season is perhaps the least eventful for Penny and Leonard. This is mainly because the key couple being focused on is Amy and Sheldon.

12. What Happened To Penny And Leonard In Season 12
Leonard and Penny Spend The Final Season Looking Back & Getting Pregnant

Penny and Leonard have grown up a huge amount since they first met, and a lot of The Big Bang Theory season 12 sees them thinking back to that first year, and their first ‘official’ kiss, and their future. While Leonard is shocked that Penny doesn’t remember their first kiss in the season 12 episode “The Imitation Perturbation,” he does get over it. Ultimately the season sees marital bliss with Penny being happy in her work, now, and Leonard finally starting to step up and become more of a leader and a confident professional as well.

In addition to this happiness, the question of a baby comes up several times in The Big Bang Theory season 12, with Penny initially adamant that she doesn’t want kids. However, life has other plans for the couple and in The Big Bang Theory series finale, Penny learns that she is pregnant, and is surprisingly happy about the idea of starting a family with Leonard. It was the perfect way to end the Leonard and Penny timeline on TBBT, even if it took an extremely long time to see the couple get the happy ending they deserved.

What Happens To Penny And Leonard After The Big Bang Theory

The season finale of The Big Bang Theory spinoff Young Sheldon contained a flashforward that showed an adult Amy and Sheldon happily settled into family life. However, the Young Sheldon finale also revealed some key details about what happened to Penny and Leonard after TBBT. While it didn’t reveal too much, it did confirm that Penny and Leonard were also still happily married. What’s more, Penny seems to have gotten over her aversion to kids in general, as Amy revealed Penny would be babysitting the Cooper children that night.

How Kaley Cuoco And Johnny Galecki’s Relationship Timeline Compares To Penny And Leonard’s

Fans of the Penny and Leonard relationship were filled with joy when it was revealed that Kaley Cuoco and Johnny Galeckiwere dating in real life. EW did a dissection of the behind-the-scenes Vanity Fair piece The Big Bang Theory: The Definitive, Inside Story of the Epic Hit Series, picking out highlights from their two-year romance, while breaking down how their relationship timeline compared with the show. Cuoco admits that she had a crush on Galecki early on while filming TBBT season 1, but it wasn’t until filming the elevator scene in the season 1 installment “The Nerdvana Annihilation,” that something clicked for both of them.

However, they didn’t let the breakup affect their onscreen personas, and have remained very close friends.

Their relationship began officially in 2008, as season 2 was airing and Penny and Leonard were reeling from an awkward first date, when they shared a kiss at the notorious Burbank spot Smoke House Restaurant. They dated until 2010, breaking up during season 4 when ironically Penny and Leonard were broken up and he was seeing Priya. However, they didn’t let the breakup affect their onscreen personas, and have remained very close friends. Galecki has even been sat in the front row of both of Cuoco’s weddings, saying of his The Big Bang Theory costar, “We continue to love one another, just in other ways.”

The Big Bang Theory: Leonard and Penny’s Relationship Timeline, Season By Season (p1)

The Big Bang Theory: Leonard and Penny’s Relationship Timeline, Season By Season (p2)

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