Parenthood Season 2 Episode 4 (Parenthood s02e04) with title “Date Night” aired on Tuesday, October 5th 2010 at 10:00 pm via NBC Network.
Here is summary for Parenthood Season 2 Episode 4 :

Kristina plans a date night with Adam in an effort to keep their relationship going strong. Elsewhere, Sarah offers dating advice to Drew; Haddie runs in a school election; and Crosby realizes he still has a lot to learn about being a father.