Sheldon's Blue Retro Batman T-Shirt From Big Bang Theory

This blue retro batman t-shirt was worn by Sheldon in in Season 5, Episode 10 (The Flaming Spittoon Acquisition). In S05E10, Sheldon considers taking his relationship with Amy to the next level when Stuart from the comic book store asks her out on a date. When Sheldon is coming to penny's room to ask her how to get Amy back , that was so cute!

Sheldon's Black Superman Distressed Logo With Striped Sleeves T-shirt

This black superman shirt is worn by Sheldon in Season 4, Episode 3 (The Zazzy Substitution),when Sheldon talking with penny in the laundry,and he was folding his t shirts with an blue Fast Clothes Folding Board.
The S04E03 is The guys are concerned as Sheldon searches for an alternative to human companionship.

Sheldon's TV Color Bars T Shirt from big bang theory

Sheldon's TV Color Bars T Shirt

This Sheldon's TV Color Bars T Shirt from the big bang theory worn by Sheldon in Season 2, Episode 11 (The Bath Item Gift Hypothesis) and Season 3, Episodes 2 (The Jiminy Conjecture) and Episode 18 (The Pants Alternative).
Sheldon has worn this shirt in both white/light blue and brown.