Sheldon stops. To him, this is a disruption of the ecosystem. He attempts to "redirect" the ants using a stick and some sugar crumbs from his pocket, explaining to the insects that they are violating pedestrian right-of-way.
Skip to the 5:20 mark (Sheldon in the school lab). A genuine 720p WEBRip will show clear text on the microscope and smooth gradients on Sheldon’s plaid shirt. A poor rip will show compression artifacts (blocky squares) in shadow areas. young sheldon s03e16 720p webrip