The Big Bang Theory

The master characters ofThe Big Bang Theoryhave been through a lot over 12 season . In season 1 , Sheldon , Leonard , Howard , and Raj were admit nerd   and had a deep taste for skill and a love for womanhood . Fast ahead to the final season , most of the characters had long - terminus relationships and made worthful contributions to science and beau monde .

This beloved group of friends has been through a good deal together and transform into different   people by the series finale . However ,   the gang did not develop and produce at the same charge per unit . Some character reference arcs were downright lackluster compared to others .

update on July 7th , 2022 , by Lynn Gibbs : There was a mountain that fall out to the beloved friend group on The Big Bang Theory after 12 season . In season 1 , each character had hopes and pipe dream for their future career and family relationship . As fans , it was fun to follow the characters on their journeying of ego - discovery . By the net time of year , Leonard , Sheldon , and co. had been through so much that it was humbling to be prompt of their growth .   However , everyone ’s character arc was n’t as impressive as the next . Some refuse in areas of their living while others surprise buff and thrived .

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Leonard Hofstadter Became Complacent

Compared to his Quaker , Leonard did n’t maturate much over 12 season . He was able to become a loyal and consecrated husband to a adult female he want the intact series   but he let some aspect of his sprightliness coast . Unlike the balance of his friends , Leonard did n’t make the same kind of contributions to science that he originally require . He   was a part of incredible project but when comparing friends , Leonard was the least successful and seemed to lose his heat for scientific discipline .

Leonard yawp a lot and became self-complacent . He was also overjealous of centime ’s succeeder and did n’t have intercourse how to deal her not needing him like she used to . His human relationship timeline with Penny come more important to him than work . Leonard was a standup guy and a devoted friend but his character arc was the least compelling among his friends .

Bernadette Rostenkowski-Wolowitz Was Successful But Her Personality Took A Turn

When viewers meet Bernadette , she was a shy adult female with a high - pitched part who laugh at Howard ’s gag because it made him felicitous . But as meter pass away on , it was obvious that she was incredibly right and more put - together than Howard was . Bernadette went on to get her Ph.D. before land a profitable Book of Job in microbiology and later became a wife and a work mother of two .

While her profession was telling , Bernadette ’s personality fade as her vocation took off . She became more judgmental and snarky to member of the radical . One of the moreannoying things about Bernadettewas that she emboss Howard around , treated him like a kid when it come to finance , and even got into arguments with the women over differences of judgement . It was wonderful to see a successful woman in skill but her personality took a dark crook .

Stuart’s Luck Changed As The Series Continued

Stuart Bloom did n’t start as a main character but he might as well have been one by time of year 12 . He was the owner of the comic book store that the gang break to weekly . However , Stuartsuffered betrayals onTBBTfrom the mathematical group and it took time to become included .   Stuart later became an   important part of their internal circle .

He lack financial security , was despairing , and thirsty for most of the serial but once he get his mirthful Word storage up and run after a fire , things turned around for him . His workshop became popular after reopen , he started date Denise , he was hanging out with the mathematical group more often , and he seemed to finally be financially stable . It was nice to see Stuart have a happy ending and a character arc that got good .

Raj Kootherpali Found Independence

Raj was an underrated character . He was unable to talk to women because of his selective muteness , and it made it hard for him to socialize with his friends — particularly when the bunch befriended Penny .   By the final season , Raj no longer needed alcohol to speak to women and was a surefooted man . He made sinful find in science , like the space prob , comet , and possible exotic lifespan . He even begin put to work part - time at the   planetarium to further his love of science .

Outside of work , Raj decide to stop relying on his wealthy parents and start from the ground up to solidify himself as a self - made man . And while fans wanted him to cease up with Anu , he showed tremendous character maturation by call off the wedding and focalise on himself .

Amy Farrah Fowler’s Character Was Fleshed Out

Fans did n’t meet Amy   until time of year 3 , but she ’s one of the most transformative characters in the show . A neuroscientist , Amy started robotically and said exactly what she was call up , even if it offended others ; she was the distaff Sheldon .

By the serial finale , Amy was no longer that distant   woman fan met in time of year 1 .   She was a Nobel Prize success , dear supporter , and a loving wife in her family relationship timeline with Sheldon . She learned to open up and trust others and have the lifetime her new self always dreamt of . It was fulfilling for fan to see Amy ’s quality spark so full and fleshed out from her vocation to friendships to love life sentence .

Penny Became Independent And Successful

Fans ca n’t deny Penny ’s success story . She came to Los Angeles as a 21 - year - old with hope of being an actress . She waited table at The Cheesecake Factory and barely get by financially . She see jerks who shoot vantage of her and she did n’t have any true supporter … That is until she meet Leonard and Sheldon .

By the finale , Penny was whole . She was married to her best friend , was an integral part of her friend group , and started a successful Book of Job in pharmaceutical sales . Penny was doing so well at work that Bernadette even advertize her . Penny was no longer the poor wishful thinker that she was in season 1 . She was now a drive woman with a in effect head on her shoulders who did n’t want to depend on anyone but herself .

Howard Wolowitz Had The Last Laugh

Howard Wolowitz ’s theatrical role arc was nothing short of a miracle .   While he was one of the funniest   penis of the group , Howard also started as the creepiest . His deportment towards cleaning lady was concerning and he did n’t plow many people with regard . This all changed when he met Bernadette , however .

Howard went from a wannabe womanizer to a loving married man and Church Father of two . At work , Howard ’s   career   as an engineer got him to out quad and a Book of Job with the United States Military . As outgoing and cockamamie as Howard was , his contributions to science were some of the most impressive in the group and he was one of the best - give job . It was eye - orifice to see someone make a complete shift in all area of his sprightliness .

Sheldon Cooper Became A Better Scientist And Even Better Man

It should n’t be too surprising that Sheldon ’s reference discharge was the practiced among   his friends .   He became a more highly-developed someone than the man viewers adjoin in season 1 . With the assistance of his wife Amy and acquaintance Penny , Sheldon was able to understand sarcasm , became a better   listener , and became a more thoroughgoing scientist . He warmed up to   Modern people and the artistic production of being   selfless . All of the change helped him become a Nobel Prize winner by the finale .

Sheldon dedicated his life to science but grew as a humans , partner , and friend at the same clock time . Sheldon still had pestering propensity but he was a more savvy valet de chambre by time of year 12 .

NEXT : The 5 Most vexatious Things Sheldon Ever Did On The Big Bang Theory ( & 5 Sweetest )

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Leonard sitting down in Big Bang Theory.

Bernadette at the hospital with Howard, Raj, and Stuart on TBBT

Big Bang Theory Stuart and friends in Howard’s kitchen

Raj valentine’s day

Mayim Bialik as Amy Farrah Fowler in The Big Bang Theory

penny walking into t he boys apartment - tbbt

Howard in an astronaut suit going to space in The Big Bang Theory

Sheldon Cooper delivers his Nobel Prize speech in The Big Bang Theory

The Big Bang Theory