Clothing from The Expedition Approximation

The Expedition Approximation

'The Expedition Approximation' - Season 8, Episode 6

Sheldon and Raj consider applying for a dark matter research expedition in a salt mine, but first they test their ability to survive the rough conditions by emulating the conditions in the university's steam tunnel. Meanwhile, Leonard and Penny have an argument about money and seek help from Howard and Bernadette.

Air Date: October 20, 2014.

Number 73 T-Shirt

Number 73 T-Shirt wearing Number 73 T-Shirt
Worn by Sheldon

Greatest American Hero T-shirt

Greatest American Hero T-shirt wearing Greatest American Hero T-shirt
Worn by Sheldon

Recycle T-Shirt

Recycle T-Shirt
Worn by Leonard

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