Peter and Lois spend the entire day in bed on Valentine's day on Family Guy. "Valentine's Day in Quahog" is the 13th episode of the show's 11th season.

Family Guy Season 11 Episode 12 Quotes

Meg: Do you like Coldplay?
Tobey: Am I a dull white guy? Yes, I like Coldplay!

Lois: You know, Peter, since it's Valentine's Day, I was thinking let's do something we've never done before.
Peter: Release the virus?