The Big Bang Theory: Season 8 Episode 22: The Graduation Transmission
Starring: Johnny Galecki, Jim Parsons, Kaley Cuoco Sweeting, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch
Length: 19 minutes
On Air Date: 23 Apr 2015
The Big Bang Theory: S08E22 Description: Howard questions his engineering abilities when he and Sheldon can’t get a toy drone to fly. A cancelled flight nearly prevents Leonard from giving the commencement address at his former high school. Raj pits his parents against each other when his father cuts him off financially.