The Big Bang Theory

  • 2007

Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show's popularity... More

CBS does not make this series available online, however it is available On Demand on your television day after air. Re-aired episodes available via TBS.
TBS

Watch with XFINITY ON DEMAND™

Season 6
Episode Number Episode Name Viewing Progress Airdate
Ep24 The Bon Voyage Reaction
Ep23 The Love Spell Potential
Ep22 The Proton Resurgence
Ep21 The Closure Alternative
Ep20 The Tenure Turbulence
Ep19 The Closet Reconfiguration
Ep18 The Contractual Obligation Implementation
Ep17 The Monster Isolation
Ep16 The Tangible Affection Proof
Ep15 The Spoiler Alert Segmentation
Ep14 The Cooper/Kripke Inversion
Ep13 The Bakersfield Expedition
Ep12 The Egg Salad Equivalency
Ep11 The Santa Simulation
Ep10 The Fish Guts Displacement
Ep9 The Parking Spot Escalation
Ep8 The 43 Peculiarity
Ep7 The Habitation Configuration
Ep6 The Extract Obliteration
Ep5 The Holographic Excitation
Ep4 The Re-Entry Minimization
Ep3 The Higgs Boson Observation
Ep2 The Decoupling Fluctuation
Ep1 The Date Night Variable

Season 5
Episode Number Episode Name Viewing Progress Airdate
Ep28 The Big Bang Theory
Ep24 The Countdown Reflection
Ep24 The Big Bang Theory
Ep23 The Launch Acceleration
Ep22 The Stag Convergence
Ep21 The Hawking Excitation
Ep21 The Big Bang Theory
Ep20 The Transporter Malfunction
Ep20 The Big Bang Theory
Ep19 The Weekend Vortex
Ep18 The Werewolf Transformation
Ep17 The Rothman Disintegration
Ep16 The Vacation Solution
Ep15 The Friendship Contraction
Ep14 The Beta Test Initiation
Ep13 The Recombination Hypothesis
Ep12 The Shiny Trinket Maneuver
Ep11 The Speckerman Recurrence
Ep10 The Flaming Spittoon Acquisition
Ep9 The Ornithophobia Diffusion
Ep8 The Isolation Permutation
Ep7 The Good Guy Fluctuation
Ep6 The Rhinitis Revelation
Ep5 The Russian Rocket Reaction
Ep4 The Wiggly Finger Catalyst
Ep3 The Pulled Groin Extrapolation
Ep2 The Infestation Hypothesis
Ep1 The Skank Reflex Analysis

Season 4
Episode Number Episode Name Viewing Progress Airdate
Ep24 The Roommate Transmogrification
Ep23 The Engagement Reaction
Ep22 The Wildebeest Implementation
Ep21 The Agreement Dissection
Ep20 The Herb Garden Germination
Ep19 The Zarnecki Incursion
Ep18 The Prestidigitation Approximation
Ep17 The Toast Derivation
Ep16 The Cohabitation Formulation
Ep15 The Benefactor Factor
Ep14 The Thespian Catalyst
Ep13 The Love Car Displacement
Ep12 The Bus Pants Utilization
Ep11 The Justice League Recombination
Ep10 The Alien Parasite Hypothesis
Ep9 The Boyfriend Complexity
Ep8 The 21-Second Excitation
Ep7 The Apology Insufficiency
Ep6 The Irish Pub Formulation
Ep5 The Desperation Emanation
Ep4 The Hot Troll Deviation
Ep3 The Zazzy Substitution
Ep2 The Cruciferous Vegetable Amplification
Ep1 The Robotic Manipulation

Season 3
Episode Number Episode Name Viewing Progress Airdate
Ep23 The Lunar Excitation
Ep22 The Staircase Implementation
Ep21 The Plimpton Simulation
Ep20 The Spaghetti Catalyst
Ep19 The Wheaton Recurrence
Ep18 The Pants Alternative
Ep17 The Precious Fragmentation
Ep16 The Excelsior Acquisition
Ep15 The Large Hadron Collision
Ep14 The Einstein Approximation
Ep13 The Bozeman Reaction
Ep12 The Psychic Vortex
Ep11 The Maternal Congruence
Ep10 The Gorilla Experiment
Ep9 The Vengeance Formulation
Ep8 The Adhesive Duck Deficiency
Ep7 The Guitarist Amplification
Ep6 The Cornhusker Vortex
Ep5 The Creepy Candy Coating Corollary
Ep4 The Pirate Solution
Ep3 The Gothowitz Deviation
Ep2 The Jiminy Conjecture
Ep1 The Electric Can Opener Fluctuation

Season 2
Episode Number Episode Name Viewing Progress Airdate
Ep23 #1 The Monopolar Expedition
Ep22 #1 The Classified Materials Turbulence
Ep21 #1 The Vegas Renormalization
Ep20 #1 The Hofstadter Isotope
Ep19 The Dead Hooker Juxtaposition
Ep18 The Work Song Nanocluster
Ep17 The Terminator Decoupling
Ep16 The Cushion Saturation
Ep15 #1 The Maternal Capacitance
Ep14 The Financial Permeability
Ep13 The Friendship Algorithm
Ep12 The Killer Robot Instability
Ep11 The Bath Item Gift Hypothesis
Ep10 The Vartabedian Conundrum
Ep9 The White Asparagus Triangulation
Ep8 The Lizard-Spock Expansion
Ep7 The Panty Piñata Polarization
Ep6 The Cooper-Nowitzki Theorem
Ep5 The Euclid Alternative
Ep4 The Griffin Equivalency
Ep3 The Barbarian Sublimation
Ep2 The Codpiece Topology
Ep1 The Bad Fish Paradigm

Season 1
Episode Number Episode Name Viewing Progress Airdate
Ep17 The Tangerine Factor
Ep16 The Peanut Reaction
Ep15 The Pork Chop Indeterminancy
Ep14 The Nerdvana Annihilation
Ep13 The Bat Jar Conjecture
Ep12 The Jerusalem Duality
Ep11 The Pancake Batter Anomaly
Ep10 The Loobenfeld Decay
Ep9 The Cooper-Hofstadter Polarization
Ep8 The Grasshopper Experiment
Ep7 The Dumpling Paradox
Ep6 The Middle Earth Paradigm
Ep5 The Hamburger Postulate
Ep4 The Luminous Fish Effect
Ep3 The Fuzzy Boots Corollary
Ep2 The Big Bran Hypothesis
Ep1 Pilot

More to Watch
Episode Number Episode Name Viewing Progress Airdate
It All Started With a Big Bang
Access All Areas
The Big Bang Theory
The Big Bang Theory
Pilot

Clips & More
Clip TypeClip NameViewing ProgressRun Length
Clip The Big Bang Theory - Leonard and Penny's Goodbye
82 sec
Clip The Big Bang Theory - Raj Begs
74 sec
Clip The Big Bang Theory - Amy and Lucy
105 sec
Clip The Big Bang Theory - Raj Opens Up to Penny
99 sec
Clip The Big Bang Theory - An Intimate Relationship
3 min 42 sec
Clip The Big Bang Theory - Your Playing D and D
2 min 27 sec
Clip The Big Bang Theory - Raj and Lucy Kiss
76 sec
Clip The Big Bang Theory - No Rules
107 sec
Clip The Big Bang Theory - Bob Newhart Guest Stars
2 min 36 sec
Clip The Big Bang Theory - Proton's Heart Trouble
2 min 43 sec
Clip The Big Bang Theory - Professor Proton
100 sec
Clip The Big Bang Theory - This Is Happening
2 min 8 sec
Clip The Big Bang Theory - Proton's Inspiration
4 min 25 sec
Clip The Big Bang Theory - Amy Helps Sheldon
2 min 6 sec
Clip The Big Bang Theory - Cliff Hanger
2 min 7 sec
Clip The Big Bang Theory - Undone
86 sec
Clip The Big Bang Theory - I Wished You Were Dead
71 sec
Clip The Big Bang Theory - Tenure, Tenure, Tenure
2 min 15 sec
Clip The Big Bang Theory - Right On Sister
62 sec
Clip The Big Bang Theory - Buttering Up
2 min 48 sec
Clip The Big Bang Theory - Leonard's Secret Weapon
4 min 24 sec
Clip The Big Bang Theory - 5 More Minutes
2 min 31 sec
Clip The Big Bang Theory - Burn Baby Burn
87 sec
Clip The Big Bang Theory - Show Him The Closet
106 sec
Clip The Big Bang Theory - One Letter, Six Versions
4 min 52 sec
Clip The Big Bang Theory - Helping Women
2 min 23 sec
Clip The Big Bang Theory - Panic Attack
60 sec
Clip The Big Bang Theory - Leonard's Freestyle
109 sec
Clip The Big Bang Theory - Ready for Some Science
104 sec
Clip The Big Bang Theory - I Have To Want To
4 min 0 sec
Clip The Big Bang Theory - Invite Them In
117 sec
Clip The Big Bang Theory - Raj's Game
68 sec
Clip The Big Bang Theory - Give Me the Number
2 min 18 sec
Clip The Big Bang Theory - Romance Ninja
2 min 21 sec
Clip The Big Bang Theory - Emergency Contact
60 sec
Clip The Big Bang Theory - Be More Excited
86 sec
Clip The Big Bang Theory - Raj Hooks Up
2 min 3 sec
Clip The Big Band Theory - You Are Unbelievable
89 sec
Clip The Big Bang Theory - Bert And Ernie
2 min 20 sec
Clip The Big Bang Theory - New Roommate
2 min 9 sec
Clip The Big Bang Theory - Mom Sitting
82 sec
Clip The Big Bang Theory - Get Out While You Can
91 sec
Clip The Big Bang Theory - A Consoling Hug
85 sec
Clip The Big Bang Theory - Sheldon's Naughty Lie
87 sec
Clip The Big Bang Theory - Personalized Action Figures
72 sec
Clip The Big Bang Theory - Sheldon's Surprising Answer
2 min 26 sec
Clip The Big Bang Theory - 3 Against 1
97 sec
Clip The Big Bang Theory - Comics or Bust!
97 sec
Clip The Big Bang Theory - Nerds Getting Robbed
2 min 6 sec
Clip The Big Bang Theory - Regina King Guest Stars
2 min 39 sec
Clip The Big Bang Theory - Penny The Sexy Nerd
57 sec
Clip The Big Bang Theory - Leonard's Musical Apology
110 sec
Clip The Big Bang Theory - It All Falls Down
101 sec
Clip The Big Bang Theory - Dirty Scientists
87 sec
Clip The Big Bang Theory - Sexy Nerdy Ladies
82 sec
Clip The Big Bang Theory - An Epic Saturday Night
2 min 1 sec
Clip The Big Bang Theory - Santa's Revenge
88 sec
Clip The Big Bang Theory - Raj is Into Amy
101 sec
Clip The Big Bang Theory - Sheldon Spanks Amy
3 min 17 sec
Clip The Big Bang Theory - A Tingling Sensation
2 min 3 sec
Clip The Big Bang Theory - No Digging to China
2 min 38 sec
Clip The Big Bang Theory - Gag Reflex
110 sec
Clip The Big Bang Theory - Howard Apologizes
116 sec
Clip The Big Bang Theory - The Perfect Parking Spot
2 min 37 sec
Clip The Big Bang Theory - Nerdy Girlfight
3 min 3 sec
Clip The Big Bang Theory - Amy Injures Penny
2 min 7 sec
Clip The Big Bang Theory - Sheldon's Secret
99 sec
Clip The Big Bang Theory - Leonard Gets Hit On
100 sec
Clip The Big Bang Theory - Sheldon's Big Secret Revealed
2 min 20 sec
Clip The Big Bang Theory - Penny Finally Says I Love You
2 min 13 sec
Clip The Big Bang Theory - The Scientist Gang
90 sec
Clip The Big Bang Theory - Penny's Oral Partner
2 min 3 sec
Clip The Big Bang Theory - A Conversation About Girls
3 min 25 sec
Clip The Big Bang Theory - Officially Moved Out
101 sec
Clip The Big Bang Theory - Angry Amy
72 sec
Clip The Big Bang Theory - Two Homes
113 sec
Clip The Big Bang Theory - I'm From Texas
106 sec
Clip The Big Bang Theory - Sheldon Worries
102 sec
Clip The Big Bang Theory - Paradigm Shifting News
2 min 24 sec
Clip The Big Bang Theory - Raj's American Voice
2 min 23 sec
Clip The Big Bang Theory - Two Conversations at Once
3 min 6 sec
Clip The Big Bang Theory - Howie Mandel Guest Stars
98 sec
Clip The Big Bang Theory - A House Call
102 sec
Clip The Big Bang Theory - Wolowitz is Back!
97 sec
Clip The Big Bang Theory - Gender Wars
3 min 45 sec
Clip The Big Bang Theory - That Was Amazing
2 min 13 sec
Clip The Big Bang Theory - Girls Rule
2 min 45 sec
Clip The Big Bang Theory - Notice People On Your Own Time
2 min 6 sec
Clip The Big Bang Theory - I'm a Man Eater Now
2 min 3 sec
Clip The Big Bang Theory - Just Calm Down
2 min 2 sec
Clip The Big Bang Theory - Flattery
2 min 30 sec
Clip The Big Bang Theory - Oh Baby You're Killing Me
4 min 15 sec
Clip The Big Bang Theory - I'm Not Mad, Just Disappointed
2 min 46 sec
Clip The Big Bang Theory - Transformers
2 min 59 sec
Clip The Big Bang Theory - Yucky or Complicated?
2 min 34 sec
Clip The Big Bang Theory - Equally Ridiculous
3 min 10 sec
Clip The Big Bang Theory - Big Sad Eyes
108 sec
Clip The Big Bang Theory - A Boring Kind of Love
2 min 2 sec
Clip The Big Bang Theory - Worst Bedtime Story Ever
4 min 16 sec
Clip The Big Bang Theory - Astronaut Bullies
119 sec
Clip The Big Bang Theory - I Could Do Worse
2 min 13 sec
Clip The Big Bang Theory - Meaningful and From the Heart
2 min 13 sec
Clip The Big Bang Theory - Say You Love Him
2 min 5 sec
Clip The Big Bang Theory - I'm Never Going Back
55 sec
Clip The Big Bang Theory - Howard's Problems From Space
99 sec
Clip The Big Bang Theory - Space is Ruined
2 min 5 sec
Clip The Big Bang Theory - Two Fake Blondes
85 sec
Clip The Big Bang Theory - You Can't Catch a Computer Virus
2 min 2 sec
Clip The Big Bang Theory - Ultimate Look Back
4 min 48 sec
Clip The Big Bang Theory - Laptop As Universal Remote
2 min 45 sec
Clip The Big Bang Theory - Sheldon's Little Idea
2 min 45 sec
Clip The Big Bang Theory - Timeshare Time Machine
2 min 15 sec
Clip The Big Bang Theory - WHEATON!!!
2 min 30 sec
Clip The Big Bang Theory - Super Fast Recap
80 sec
Clip The Big Bang Theory - Behind the Scenes: Wardrobe
3 min 13 sec
Clip The Big Bang Theory - Season 3 Recap
2 min 52 sec
Clip The Big Bang Theory - Spock's Dying Words
2 min 26 sec
Clip Big Bang Theory - Scene from Premiere
58 sec
Clip Big Bang Theory - The Laser Stunt
67 sec
Clip TV Briefly - The Big Bang Theory
5 min 12 sec
Clip The Big Bang Theory - Behind the Scenes: Season Finale
2 min 35 sec
Clip The Big Bang Theory - Klingon Countdown
4 min 8 sec
Clip The Big Bang Theory - Celebrates 100 Episodes
2 min 54 sec
Clip The Big Bang Theory - The Pulled Groin Extrapolation
85 sec
Clip Sneak Peek: Premiere clip 2
71 sec
Clip Sneak Peek: Premiere clip 1
75 sec
Clip The Big Bang Theory - Season Premiere
71 sec
Clip The Big Bang Theory - The Skank Reflex Analysis
75 sec
Clip The Big Bang Theory - Season 4 Recap
3 min 17 sec
Clip The Big Bang Theory - The Roommate Transmogrification
63 sec
Clip The Big Bang Theory - The Wildebeest Implementation
117 sec
Clip The Big Bang Theory - Penny's Posse
3 min 1 sec
Clip The Big Bang Theory - The Sheldon Rap
114 sec
Clip The Big Bang Theory - 'The Boyfriend Complexity'
55 sec
Clip The Big Bang Theory - Preview: 'The Cruciferous Vegetable Amplification'
72 sec
Clip The Big Bang Theory - Fourth Season Sneak Peek
2 min 47 sec
Clip The Big Bang Theory - Craig Ferguson on the Big Bang Theory
72 sec
Clip The Big Bang Theory - Preview: 'The Robotic Manipulation'
101 sec
Clip The Big Bang Theory - Pick-Up Lines
2 min 12 sec
Clip The Big Bang Theory - Geeks Guide to Cleaning
93 sec
Clip The Big Bang Theory - How The Elevator was Broken
2 min 4 sec
Clip The Big Bang Theory - We Can Do It
74 sec
Clip The Big Bang Theory - Work For Me
2 min 14 sec
Clip The Big Bang Theory - Third Date Rule
103 sec
Clip The Big Bang Theory - Fast Recap
2 min 18 sec
Clip The Big Bang Theory - Crazy Fast Recap
42 sec
Clip The Big Bang Theory - You Ask, They Tell: Simon Helberg
3 min 18 sec
Clip The Big Bang Theory - 'The Large Hadron Collision' Preview
66 sec
Clip The Big Bang Theory - 'The Einstein Approximation' Preview
73 sec
Clip The Big Bang Theory - Episode Preview Clip
67 sec
Clip The Big Bang Theory - Howard's Fantasy Tub with Katee Sackhoff
105 sec
Clip The Big Bang Theory - Sheldon comes to Penny's Rescue
53 sec
Clip The Big Bang Theory - 'The Cornhusker Vortex' Preview
2 min 6 sec
Clip The Big Bang Theory - Season 2 Recap
3 min 0 sec
Clip The Big Bang Theory - Stay Nerdy
31 sec
Clip The Big Bang Theory - Secret Agent Laser Obstacle Kit
108 sec
Clip The Big Bang Theory - Motion Comic
2 min 27 sec
Clip The Big Bang Theory - Behind the Scenes
3 min 9 sec
Clip The Big Bang Theory - Rock, Paper, Scissors, Lizard, Spock
92 sec
Clip The Big Bang Theory - Model Time
111 sec
Clip The Big Bang Theory - Lara Spencer Behind the Scenes on The Big Bang Theory
114 sec
Clip The Big Bang Theory - Disastrous Play
30 sec
Clip The Big Bang Theory - Premiere Celebration
90 sec
Clip The Big Bang Theory - Drawing
104 sec
Clip The Big Bang Theory - In The Spotlight - Kaley Cuoco
2 min 16 sec
Clip The Big Bang Theory - In The Spotlight - Jim Parsons
2 min 4 sec
Clip The Big Bang Theory - In The Spotlight - Johnny Galecki
2 min 4 sec
Clip The Big Bang Theory - Talk Nerdy to Me: Superman
105 sec
Clip The Big Bang Theory - Superhero T-Shirts
64 sec
Clip cbs bigbangtheory season1finaleclip1 arc ar16x9 l
3 min 5 sec
Preview cbs bigbangtheory promoclipUCLAprof 4X3
2 min 33 sec
Clip The Big Bang Theory - Big Bang Deconstructed
2 min 24 sec
Preview cbs bigbangtheory pancakeclip1 4X3
68 sec
Clip EBANG132WOMEN CAN
91 sec
Clip The Big Bang Theory - Talk Nerdy to Me:Beautiful Mind
111 sec
Clip The Big Bang Theory - Talk Nerdy To Me:Quietly
77 sec
S2 | Ep23

The Monopolar Expedition

Airdate: 5/11/09
In the second-season finale, Leonard gets ready for a three-month long science trip, and he and Penny come to terms with their feelings for each other.
    MORE ONLINE OPTIONSHide

    Also Available on TV MOREHIDE

    Available Now
      MORE ON DEMAND OPTIONSFEWER ON DEMAND OPTIONS
      Upcoming TV Listings
        MORE TV LISTINGSFEWER TV LISTINGS OPTIONS

        We're sorry, we do not currently have episodes of The Big Bang Theory.

        Add this series to your Queue to track when it becomes available.

        AppTypeMessageDetails