With college in sight, Sheldon is determined to ride his bike without training wheels. Also, Mary and George Sr. argue overparenting styles.
Did You Know?
The song being played at the beginning of the episode during the math problem is "pop corn" and it's considered to be the first synth or techno song ever recorded. See more
After the doctor puts Sheldon's X-ray up against the light it disappears a few moments later. See more
Don't Stop Me Now
Written by Freddie Mercury
Performed by Queen
Courtesy of Hollywood Records, Inc.
Courtesy of Universal International Music BV
Under license from Universal Music Enterprises See more