Chuck Season 4 Episode 7 (Chuck s04e07) with title “Chuck Versus the First Fight” aired on Monday, November 1st 2010 at 08:00 pm via NBC Network.
Here is summary for Chuck Season 4 Episode 7 :

After their first real fight, Chuck avoids confronting Sarah by going on a rogue mission that leads him to his mom’s MI-6 handler, Gregory Tuttle, and a mysterious Russian agent. Meanwhile, Ellie is on her own mission to uncover the Bartowski family’s long-buried past.