The Big Bang Theory Lost Photos

­Check out exclusive Lost photos from Season Four of The Big Bang Theory.

Oops

Oops

Raj (Kunal Nayyar) wakes up in bed with Penny (Kaley Cuoco)
Sheldon Love

Sheldon Love

Amy Farrah Fowler (Mayim Bialik) plants a wet one on Sheldon (Jim Parsons)
The Proposal

The Proposal

The Gang, especially Raj (Kunal Nayyar) is surprised when Howard (Simon Helberg) proposes to Bernadette (Melissa Rauch)
Marry Me!

Marry Me!

Howard (Simon Helberg) proposes to Bernadette (Melissa Rauch)
Thief

Thief

Howard (Simon Helberg), Raj (Kunal Nayyar), Sheldon (Jim Parsons) and Leonard (Johnny Galecki)
Boys Having Fun

Boys Having Fun

The guys goof off on their night together.
Big Kiss

Big Kiss

Bernadette (Melissa Rauch) gets a kiss from Raj (Simon Helberg) as Leonard (Johnny Galecki) looks on.
Muscle Men

Muscle Men

Raj (Kunal Nayyar) and Howard (Simon Helberg) show off their muscles!
Run

Run

Sheldon (Jim Parsons) runs with Raj (Kunal Nayyar) and Howard (Simon Helberg) not far behind.
New Friend

New Friend

Leonard (Johnny Galecki) and Sheldon (Jim Parsons) make a new friend.
Cracking Up

Cracking Up

Leonard (Johnny Galecki) reacts strongly to what Sheldon (Jim Parsons) says.
Cold Outside

Cold Outside

Sheldon (Jim Parsons) runs into Amy (Mayim Bialik)
Keep Your Eye on The Road

Keep Your Eye on The Road

Howard (Simon Helberg) kisses Bernadette (Melissa Rauch) as guest stars Katee Sackhoff and George Takei look on.
Driving Off

Driving Off

Jim Parsons with Kaley Cuoco and Mayim Bialik get ready to go for a drive.