In his intoxicated state, he leaves a series of rambling, desperate voicemails for none other than Stephen Hawking , who eventually calls him a "jackass". The Rise of "Clogzilla"
This episode is a standout for how it frames Sheldon's vulnerability. Critics noted that treating his scientific disillusionment like a romantic breakup allowed him to be "hyper-emotional" in a way we rarely see. Whether you're here for the "Clogzilla" jokes or Sheldon's drunken geology shame, it's a must-watch for any fan.
The emotional core of the episode follows Sheldon as he faces a massive career crisis. After twenty years of dedicated research, he begins to fear that String Theory is a dead end that can never be proven.
Sheldon gets a haircut from Penny to signify his "new beginning".
Years earlier, they went on a disastrous blind date where Howard suffered a severe stomach issue and ended up clogging her toilet. Too embarrassed to face her, he escaped through her bathroom window. Emily reveals that her friends have been calling him ever since, much to the delight of Bernadette and Raj. Why You Should Watch
Science, Heartbreak, and "Clogzilla": A Recap of TBBT S07E20
