The Big Bang Theory Photos from "The Proton Transmogrification"
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Check out the official photos from The Big Bang Theory Season 7 Episode 22.
The episode is titled, "The Proton Transmogrification," and airs on Thursday, May 1 at 8 p.m. ET on CBS.
1. Penny Learns About Star Wars Day
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The gang introduces Penny to Star Wars Day on May 4th.
2. Leonard Consoles Sheldon
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Leonard consoles Sheldon after letting him know a hero of his died.
3. Professor Proton's Show
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Sheldon watches an episode of Professor Proton's show.
4. Penny Comforts Sheldon
![](https://tv-fanatic-res.cloudinary.com/iu/s--B8t7Ptwi--/t_slideshow/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1398721688/penny-comforts-sheldon.jpg)
Penny talks to Sheldon before going to the funeral.
5. Star Wars Day Celebration
![](https://tv-fanatic-res.cloudinary.com/iu/s--yODdrifQ--/t_slideshow/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1398721845/star-wars-day-celebration.jpg)
Sheldon, Howard and Raj start celebrating Star Wars Day on May 4th.
6. Death Star Cake
![](https://tv-fanatic-res.cloudinary.com/iu/s--nJN8s4B3--/t_slideshow/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1398721995/death-star-cake.jpg)
Amy and Bernadette make a Death Star Cake to celebrate Star Wars Day.
7. Leonard and Penny Attend a Funeral
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Leonard and Penny attend a funeral and pay respects on May 4th.
8. Sheldon Hugs Leonard
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After having an emotional dream, Sheldon hugs Leonard to show he cares.
9. Star Wars Day Death Star Cake
![](https://tv-fanatic-res.cloudinary.com/iu/s--jmkQ1M9R--/t_slideshow/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1398722094/star-wars-day-death-star-cake.jpg)
Bernadette and Amy bring the Death Star Cake to the Star Wars Day celebration.
10. Obi-Wan Professor Proton
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Professor Proton is as Obi-Wan with a light saber visits Sheldon.