He never had a breakthrough in which to open the bottle for.
Let's make a pact.
Time to get rid of him.
How did that bird get in?
Howard and Leonard launching model rockets in the park.
Talking to Zack about their invention.
Leonard getting to work with Howard.
Zack wants to know if the military will use is as a weapon.
Thinking about the military using their development.
Howard's mini-gift for Bernadette.
I need more money to raise a kid.
Leonard invoking the girlfriend pact with Howard.
Leonard telling Howard how he is manipulating Penny.
Worried about the military using their invention.
I once found his stack of contracts under his bed.
Out picking up their solder.
Working on MONTE.
Excited about what to do with their royalties.
Announcing the first trial.
Howard and Leonard
What is wrong?
Howard finds out his mother is dead.
Penny demonstrating hooking a worm.
Watching confronting the line cutter.
In deep thought.
Banzai!
There is a problem, the government wants our project.
Howard and Leonard working on their project.
Howard and Leonard working on their project.
We met the requirements.
Watching Raj ask Ramona out.
Howard and Leonard working on their project.
Howard turns away from Raj.
Maybe we need Sheldon.
Maybe we can improve on Sheldon's project.
Howard and Leonard working on their project.
Howard and Leonard working on their project.
Leonard has something for this occasion.
Leonard bought himself a laser.
Playing a video game.
Playing a video game.
Howard makes his move.
Who discovered America accidentally?
Make fun of him.
Setting up a game.
This will crush Sheldon.