Timeline of the Third Season

This is a timeline of events that happened during the third season, approximately August, 200 to May, 2010.

Timeline
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August 16, 2009 Sheldon sends notes to Beverly Hofstader re paper on quantum brain function   [The Maternal Congruence]

41. “The Electric can opener fluctuation”

August 16, 2009 – return after 3 months at magnetic north pole

August 17, 2009 – Sheldon runs away to Texas

August 18, 2009 – Leonard, Raj & Howard travel to   Texas, talk Sheldon into returning

August 19, 2009 – Penny & Leonard finally hook up

42. "The Jiminy Conjecture"

August 20, 2009 – Everyone discusses Leonard and Penny’s hookup  last night , they catch a cricket

August 21, 2009 – they meet Dr. Crawley & Leonard & Penny decide not to just stay friends

August, 2009 – August 2010 Sheldon goes accidentally on booze cruise to Mexico           [The Friendship Contraction]

43. “The Gothowitz deviation”

Monday October 5, 2009 -   Sheldon tries operant conditioning on Penny, while Howard & Raj go to a Goth club, but don’t get tattoos

44. “The Pirate Solution”

October 12, 2009 Raj is to be deported

October 14, 2009 - interview with Laughlin and Millstone, Sheldon asks Raj to help with “string theory implications of gamma rays from dark matter annihilation”

October 15, 2009     Raj accepts the job with Sheldon

<p class="MsoNormal">October 16, 2009 – Howard interrupts Leonard and Penny’s night together, Sheldon & Raj disagree

<p class="MsoNormal">Sunday, October 17, 2009 -   Howard makes breakfast, Raj & Sheldon make up

<p class="MsoNormal">45. “The Creepy Candy Coating Corollary”

<p class="MsoNormal" style="tab-stops:right 6.0in">October 19, 2009 – after playing “mystic Warlords of Ka’ah” Howard invokes the girlfriend pact with Leonard

<p class="MsoNormal" style="tab-stops:right 6.0in">October 20, 2009   – Howard reminds Leonard who asks Penny

<p class="MsoNormal" style="tab-stops:right 6.0in">Saturday, October 24, 2009 – mystic warlords of ka’ah tournament. Howard and    Bernadette’s first date

<p class="MsoNormal" style="tab-stops:right 6.0in">46. “The Cornhusker Vortex”

<p class="MsoNormal" style="tab-stops:right 6.0in">October 31, 2009 – after kite fighting Leonard invited to Penny’s football party

<p class="MsoNormal" style="tab-stops:right 6.0in">November 2, 2009 – after Monday night football, Sheldon teaches Leonard about football

<p class="MsoNormal" style="tab-stops:right 6.0in">Saturday, November 7, 2009   – the football party

<p class="MsoNormal" style="tab-stops:right 6.0in">47. “The Guitarist Amplification”

<p class="MsoNormal" style="tab-stops:right 6.0in">November 9, 2009 – discussion of   Justin arriving

<p class="MsoNormal" style="tab-stops:right 6.0in">November 10, 2009 – Penny and Leonard keep arguing

<p class="MsoNormal" style="tab-stops:right 6.0in">November 11, 2009 – Sheldon at the Cheesecake Factory, big fight between Penny and Leonard

<p class="MsoNormal" style="tab-stops:right 6.0in">Sunday, November 15, 2009 – Justin arrives and sleeps on Leonard & Sheldon’s couch

<p class="MsoNormal">48. “The Adhesive Duck Deficiency”

<p class="MsoNormal">Monday, November 16, 2009   Raj, Howard & Leonard watch meteors, Penny dislocates   her shoulder, Sheldon gets a ticket

<p class="MsoNormal">49. “The Vengeance Formulation”

<p class="MsoNormal">November 30, 2009 – Howard & Bernadette’s third date

<p class="MsoNormal">December 1, 2009 – Sheldon announces he will be on NPR ‘next week’

<p class="MsoNormal">Thursday, December 10, 2009   – Sheldon asks Howard to review talking points

<p class="MsoNormal">Friday, December 11, 2009 Sheldon is on Science Friday, Howard’s bath where he         fantasizes about   Katie Sackhoff and later proposes to Bernadette

<p class="MsoNormal">December 12, 2009 – Sheldon’s revenge on Kripke

<p class="MsoNormal">50. “The Gorilla Experiment”

<p class="MsoNormal">December 14, 2009 – Bernadette express interest in Leonard’s work

<p class="MsoNormal">December 15, 2009 – Penny asks Sheldon to teach her “a little physics”, Howard       confronts Leonard

<p class="MsoNormal">December 16, 2009 – Sheldon teaches Penny a little physics

<p class="MsoNormal" style="tab-stops:center 3.0in">December 17, 2009 – Howard & Bernadette square off in Leonard’s lab

<p class="MsoNormal" style="tab-stops:center 3.0in">December 18, 2009 – a meal with everyone

<p class="MsoNormal">Bernadette’s grandmother dies [The Maternal Capacitance]

<p class="MsoNormal">51. “The Maternal Congruence”

<p class="MsoNormal">December 21, 2009 – Sheldon complains about Christmas shows

<p class="MsoNormal">December 22, 2009 – Penny & Leonard decorate tree

<p class="MsoNormal">December 23, 2009 – Leonard’s mom arrives, goes out with Penny

<p class="MsoNormal">December 24, 2009 – she leaves

<p class="MsoNormal">52. “The Psychic Vortex”

<p class="MsoNormal">January 11, 2010 – Howard & Bernadette double date with Leonard & Penny, who gets   upset when Leonard mocks her belief in psychics, Raj and Sheldon go out meet Abby & Martha

<p class="MsoNormal">January 12, 2010 – Raj bribes Sheldon to go out again with the girls

<p class="MsoNormal">53. “The Bozeman Reaction”

<p class="MsoNormal">January 18, 2010 – a break- in at Leonard and Sheldon’s apartment

<p class="MsoNormal">January 19, 2010 – Howard installs a security system

<p class="MsoNormal">January 20, 2010 – Sheldon leaves

<p class="MsoNormal">January 21, 2010 – Sheldon in Bozeman

<p class="MsoNormal">January 22, 2010 – Sheldon returns

<p class="MsoNormal">54. “The Einstein Approximation”

<p class="MsoNormal">February 2, 2010 – Sheldon stuck on a problem, Leonard, Penny, Howard and Bernadette   go disco roller skating,    Sheldon plays in ball pit

<p class="MsoNormal">February 3, 2010 – Sheldon goes in Penny’s apartment

<p class="MsoNormal">February 4, 2010 – Sheldon visits the employment office & works at the Cheesecake   Factory

<p class="MsoNormal">55. “The Large Hadron Collision”

<p class="MsoNormal">February 8, 2010 – Leonard tells of trip to Geneva

<p class="MsoNormal">February 9, 2010 – lunch at Cal Tech

<p class="MsoNormal">February 10, 2010 – Sheldon plots to go on the trip by playing on Penny’s sympathy

<p class="MsoNormal">February 14, 2010 - Leonard & Raj in Geneva

<p class="MsoNormal">56. “The Excelsior Acquisition”

<p class="MsoNormal">March 1, 2010 – Sheldon learns he got a ticket & about Stan Lee comic book signing

<p class="MsoNormal">Thursday, March 4, 2010 – comic book signing & Sheldon in court

<p class="MsoNormal">March 5, 2010 – Penny and Sheldon visit Stan Lee

<p class="MsoNormal">57. “The Precious Fragmentation”

<p class="MsoNormal">March 8, 2010 – they buy a box of stuff find a ring

<p class="MsoNormal">March 9, 2010 – they learn what the ring is, Sheldon tries to steal

<p class="MsoNormal">March 10, 2010 – the contest to see who gets ring

<p class="MsoNormal">March 11, 2010 – Leonard mails the ring to Peter Jackson, Sheldon tries to steal

<p class="MsoNormal">58. “The Pants Alternative”

<p class="MsoNormal">March 22, 2010 – Sheldon learns he won Chancellor’s science award, but must give a speech

<p class="MsoNormal">March 23, 2010 – intervention, Sheldon does yoga with Raj

<p class="MsoNormal">March 24, 2010 – Sheldon goes shopping with Penny and psychoanalysis with Leonard

<p class="MsoNormal">March 25, 2010- the banquet and speech

<p class="MsoNormal">March 26, 2010 – Sheldon has questions about last night

<p class="MsoNormal">59. “The Wheaton Recurrence”

<p class="MsoNormal" style="tab-stops:24.5pt">April 12, 2009 – Leonard tells Penny “I love you”

<p class="MsoNormal" style="tab-stops:24.5pt">April 13, 2009 – bowling w/Wil Wheaton

<p class="MsoNormal" style="tab-stops:24.5pt">April 14, 2009 – Penny dumps Leonard [8 months after “the Electric Can Opener         Fluctuation” as per “the Decoupling Fluctuation]

<p class="MsoNormal" style="tab-stops:24.5pt">April 15, 2009 – guys at the comic book store in female super hero outfits

<p class="MsoNormal">60. “The Spaghetti Catalyst”

<p class="MsoNormal">May 3, 2010 – Sheldon eats with both Penny & the guys

<p class="MsoNormal">May 4, 2010 – Penny & Leonard talk in the laundry room

<p class="MsoNormal">Saturday, May 8, 2010 – Penny takes Sheldon to Disneyland

<p class="MsoNormal">61. “The Plimpton Stimulation”

<p class="MsoNormal">May 10, 2010 – they learn of Elizabeth Plimpton’s   arrival

<p class="MsoNormal">May 11, 2010 – Elizabeth Plimpton arrives and hooks up with Leonard

<p class="MsoNormal">May 12, 2010 – Penny confronts Leonard

<p class="MsoNormal">62. “The Staircase Implementation”

<p class="MsoNormal">May 17, 2010 - Sheldon & Leonard fight

<p class="MsoNormal">63. “The Lunar Excitation”

<p class="MsoNormal">May 25, 2010 – they point a laser at the Moon with Zack and Penny there

<p class="MsoNormal">May 26, 2010 – find Amy Farrah Fowler, last appearance of Leslie Winkle

<p class="MsoNormal">May 29, 2010 – Sheldon & Amy meet for first time