Elka Rodriguez

Sheldon and Bert collaborate on a research project, despite Sheldon’s embarrassment. Meanwhile, Penny and Bernadette coach Raj on how to navigate his relationship with Ruchi.

The IRT heads to Pamplona, Spain during the running of the bulls. The ears of a missing American tourist are found and the team speculates that the crime is politically motivated.

When a woman arrives at Bunker Hill with a mysterious lung ailment, James is conflicted after he connects other respiratory cases in her area to possible contamination from a microchip factory owned by his hero, tech guru Douglas Prescott (David Paymer). Also, Walter and Taliakha work to find why a young man can't walk despite his legs being in good condition, and Zoe becomes jealous of James's connection to Nina.