Big Bang Theory: Ranking the 10 Best Recurring Characters, From Professor Proton to Wil 'Wheatonnnnn!'
The Big Bang Theory - 🎶Grab your goggles, put your lab coat on. Here he comes, Professor Proton!🎶 Don't miss an all-new episode of The Big Bang Theory tomorrow night at 8/7c!
![Prof Proton Stays For Tea + Has penny got any single grandmas (TBBT 7x07 The Proton Displacement) - YouTube Prof Proton Stays For Tea + Has penny got any single grandmas (TBBT 7x07 The Proton Displacement) - YouTube](https://i.ytimg.com/vi/PTF1BAiC36c/maxresdefault.jpg)