The Big Bang Theory

The Big Bang Theory (2007 – 2019)

2007 • 12 seasons • Comedy • TV-PG

On August 8, 2026

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Episode 22 — The Graduation Transmission

Season 8 • The Big Bang Theory

Released: 2015-04-23 • Comedy

72%

User score

Howard questions his engineering abilities when he and Sheldon can’t get a toy drone to fly. Meanwhile, a cancelled flight nearly prevents Leonard from giving the commencement address at his former high school, and Raj pits his parents against each other when his father cuts him off financially.

Episodes

Episode 1
The Locomotion Interruption
2014-09-22

Episode 2
The Junior Professor Solution
2014-09-22

Episode 3
The First Pitch Insufficiency
2014-09-29

Episode 4
The Hook-Up Reverberation
2014-10-06

Episode 5
The Focus Attenuation
2014-10-13

Episode 6
The Expedition Approximation
2014-10-20

Episode 7
The Misinterpretation Agitation
2014-10-30

Episode 8
The Prom Equivalency
2014-11-06

Episode 9
The Septum Deviation
2014-11-13

Episode 10
The Champagne Reflection
2014-11-20

Episode 11
The Clean Room Infiltration
2014-12-11

Episode 12
The Space Probe Disintegration
2015-01-08

Episode 13
The Anxiety Optimization
2015-01-29

Episode 14
The Troll Manifestation
2015-02-05

Episode 15
The Comic Book Store Regeneration
2015-02-19

Episode 16
The Intimacy Acceleration
2015-02-26

Episode 17
The Colonization Application
2015-03-05

Episode 18
The Leftover Thermalization
2015-03-12

Episode 19
The Skywalker Incursion
2015-04-02

Episode 20
The Fortification Implementation
2015-04-09

Episode 21
The Communication Deterioration
2015-04-16

Episode 22
The Graduation Transmission
2015-04-23

Episode 23
The Maternal Combustion
2015-04-30

Episode 24
The Commitment Determination
2015-05-07

Information

Creator	Chuck Lorre, Bill Prady
Episode air date	23.04.2015
Episode runtime	19 min
Episode rating	7.20
Genres	Comedy
TMDB series rating	7.9
IMDb series rating	8.1
Series status	Ended
Age rating	6+
Country	US

Trailer

Additional videos

The Big Bang Theory Trailer

The Big Bang Theory Trailer

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The Big Bang Theory - Science is dead

The Big Bang Theory - Science is dead

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The Big Bang-Sheldon's "Romantic" Christmas Gift

The Big Bang-Sheldon's "Romantic" Christmas Gift

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Merry Newtonmas!

Merry Newtonmas!

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The Big Bang Theory Intro Full Version

The Big Bang Theory Intro Full Version

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The Big Bang Theory - Sheldon and Penny Exchange Presents

The Big Bang Theory - Sheldon and Penny Exchange Presents

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Cast

Johnny Galecki
Leonard Hofstadter

Jim Parsons
Sheldon Cooper

Kaley Cuoco
Penny

Simon Helberg
Howard Wolowitz

Kunal Nayyar
Rajesh Koothrappali

Melissa Rauch
Bernadette Rostenkowski

Mayim Bialik
Amy Farrah Fowler

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