Watch Rules of Engagement Flirting Season 4 Premiere Stream Online. This is the Season 4 Episode 1 and the season premiere of the Rules of Engagement series. The episode title is the Rules of Engagement Flirting. In this episode, Jeff takes Russell's advice and flirts back with a female colleague only to discover that she is open to having an affair with him. Meanwhile, Russell sends Timmy to retrieve his phone from the apartment of a one night stand. The Rules of Engagement Flirting S04E01 will be aired Monday, March 01, 2010 8:30 PM-9:00 PM EST on CBS. Watch Rules of Engagement Flirting Season 4 Premiere Stream Online here.