Hayes MacArthur

After Mark (Dan O'Brien) breaks it off with yet another woman, he shares his personal theory -- explaining that couples know within 48-hours of meeting if they want to be together. Not surprisingly, everyone agrees that they knew they had met their soul mates within that timeframe except Whitney (Whitney Cummings). Also available on iTunes and VUDU

Back together -- Hayes MacArthur ("Perfect Couples") guest stars. Also available on iTunes and VUDU

When Tessa gets her driving permit, Dalia hires her to drive around and stalk Dalia's crush, Scott (THOMAS McDONELL). But could Tessa and Scott have feelings for each other? Also available on iTunes

Angie, Max's high school girlfriend, is introduced to the gang because she is moving to Chicago for her job. Penny hates her because she dated Max after Angie, but Penny acts completely sweet to Angie. When Dave & Angie connect, Max invokes "the code" and tells Dave he can't date Angie. When Dave says the code doesn't count since Max is gay, Dave & Max engage in a "code war" where all codes are off. Max kisses Alex in an attempt to make Dave jealous, which makes Alex have a bit of a crush on Max. Brad realizes he has a "work wife," which makes Jane want a "work husband." When they all meet for drinks, intentions are misunderstood and they decide to just stick with real life spouses. Also available on iTunes and VUDU

Rex and Julia go through their mother's things, Vance worries about his looks.

Rex and Julia go through their mother's things, Vance worries about his looks.

Get a behind the scenes preview of the new comedy Perfect Couples.

When Sam gives it his all to help the Claytons prepare for Dick's birthday party, he loses his pants and some dignity in his effort to make everything perfect. Also available on iTunes

Lily and Marshall are less then thrilled when Ted reunites with his pompous ex-girlfriend from college. Also available on Amazon Instant Video, iTunes and VUDU

Sam finds himself in charge of the final arrangements on the day of the wedding, on "Worst Week." Also available on iTunes

Sam and Mel attempt to appear to be the ideal couple so the family minister will agree to marry them, on Worst Week. Also available on iTunes

When a popular escort at a rent-a-friend agency turns up dead, his antisocial roommate (DAVID ARQUETTE - "Scream" films) is a suspect. DEBRA MOONEY guest stars as Emerson's mom. Also available on iTunes and VUDU