The Big Bang Theory - The Graduation Transmission
Wolowitz questions his engineering abilities when he and Sheldon can't get a toy drone to fly. Meanwhile, a cancelled flight nearly prevents Leonard from giving the commencement address at his former high school, and Raj pits his parents against each other when his father cuts him off financially.
- Season: 8
- Episode: 22
- Runtime: 30
- Aired: April 23rd, 2015 at 20:00