Sheldon's Roboticus Carpalium T Shirt in the big bang theroy

Sheldon's Roboticus Carpalium T Shirt

This Sheldon's Roboticus Carpalium T Shirt was shown in the S02E18 (The Work Song Nanocluster),When they four boys were making 1000 flower barrettes called penny blossoms in one night .
Humaniform robot hand, similar to humans in dexterity, 24 joints, 20 degrees of freedom, powered by 40 forearm muscles. High-speed hands. (Shadow Robot Co. London, U Tokyo, U Laval CDN.)

Sheldon's Mobo T Shirt in the big bang theroy

Sheldon's Mobo T Shirt

This Sheldon's Mobo T Shirt was fisrt shown in S01E13(The Friendship Algorithm),when Sheldon was trying to learn how to make freind ,so he was going to the mall to acquire a book that summarizes that current theories in the field of friendmaking.
"What's a mobo?"

Mobo = motherboard. Computer braintrust.

Sheldon's Are You Grid Equipped T Shirt in the big bang theroy

Sheldon's Are You Grid Equipped T Shirt

This "Are You Grid Equipped?" T Shirt was wron by Sheldon in S01E14,when sheldon was playing the tablegame with howard and raj,they "are on a quest through the valley of fire to acqure the sacred crown".

Sheldon's Red Kablaam T Shirt in penny's party from big bang theory

Sheldon's Red Kablaam T Shirt

This red kablaam t shirt was worn by Sheldon in S01E07,the scene of penny was playing the video game holo with other three boys .The video game holo was described as "a complex battle simulation with a steep learing curve".

Leonard's coffee hobbit costume in penny's party from big bang theory

Leonard's coffee hobbit costume 

This coffee hobbit costume was worn by leonard in S01E06 when they four was invited to go to penny's party.This is the "first chance for penny to see Leonard in the context of her social group".

Raj's norse god thor costume in penny's party from big bang theory

Raj's norse god thor costume 

This thor costume was worn by raj in S01E06, that is the first time the four boys go to penny's party.

Howard's peter pan costume in penny's party

Howard's peter pan costume

The green peter pan costume was worn by howard in S01E06.They four were invited to the penny's party ,which is,using the word of leonard, the "first chance for penny to see me in the context of her social group".