Portal Gun Enhancements
- Episode aired Mar 22, 2013
The Fastest Gun In the Lab. Every lab team has come up with exact same idea for improving the portal gun... or did they?The Fastest Gun In the Lab. Every lab team has come up with exact same idea for improving the portal gun... or did they?The Fastest Gun In the Lab. Every lab team has come up with exact same idea for improving the portal gun... or did they?