These two mix business with pleasure in every way possible. The research partners study human sexuality and put their findings into practice when they take their partnership home. Now, that's what we call swinging!

What does Homer love more than donuts? Duff Beer. But what does he love more than Duff Beer? Marge. After a day at the plant, Homer can't wait to get home to get his hands on Marge.

Is it love? Is it an arrangement for appearances? The truth is unclear, and that's just how Claire and Frank love it. They live in a gray area where after-dinner drinks can lead to a threesome with the bodyguard and no one has a second thought about it.

Carrie Bradshaw knows good sex. So it just goes to show that Mr. Big lives up to his namesake. Even when Big was married and Carrie was so in love with Aidan, Carrie and Big couldn't keep their hands off of each other.

Don and Betty Draper's relationship was shaky to say the least. But what it lacked in stability it made up for in seduction. In fact, once their marriage was kaput, Don and Betty heated things up while reconnecting at their son's retreat.

Anyone who has a problem with PDA may have serious issues with Gomez and Morticia. But, hey, life is short and love is strong. The passion Gomez and Morticia had for each other transcended all things, including mortal life.

Claire and Phil's relationship is full of magic, and not just because Phil is a certified magician. But their love is no disappearing act: Although these two drive each other crazy in the best ways, they still make time for each other - and even a little role play (Clive Bixby, anyone?). They just need to remember to lock the bedroom door when the kids are home.

Tom and Helen's flirtations and cute cuddles may have made neighbor George Jefferson ill, but what did they care? Their love wasn't for the world, it was just for them. Hi, haters!

For Dan and Roseanne Conner, making each other laugh was such a form of foreplay. Quiet conversations and giggles away from the craziness always had them scurrying from the couch to the upstairs bedroom in a hurry.

Bringing three kids each to their pack, it was evident that Mike and Carol Brady weren't afraid of getting busy. Alice and Sam the butcher had nothing on Mike and Carol's connection!

Red is a veteran who is super tough on the outside. Only one woman can turn his hard interior to goo, and that's his wife Kitty. Her bubbly personality and loving nature just heat him right up until he melts into the palm of her little hand.

Maybe it was the Santa Monica sunshine. Maybe it was the kids taking up residence in their building. Whatever it was, Helen was always revving at full speed, even though Stanley almost always failed to notice.

What do you get when you mix a British accent with a nasally one from Flushing, Queens? The sounds of swinging, that's what! Even the conniving C.C. Babcock couldn't extinguish the fire that grew between Maxwell and Fran.

How did a doctor and a lawyer with four kids and a crazy family life make time to keep things swingin'? Perhaps a combination of come hither glances, romantic cuddles and convos, and the occasional living room dance number.

Samantha had the magic touch, but it wasn't voodoo that made Darren fall for her. Despite his actual witch of a mother-in-law and a host of other eccentric new family members, the spark between Darren and Samantha was au natural.

Hal and Lois really know how to turn up the heat. Counting down the seconds to alone time is a favorite hobby of the duo, and they make the most of their kid-less time together.

There's a fine line between utter disdain and infatuation, and it ran right through Al and Peg Bundy's house. Al sometimes retreated to the basement, avoiding Peg's advances for fear of creating yet another annoying kid. But in the end, the guy always gave in to his smokin' hot wife. Good man.

The whole genie-and-master thing was kinky from the get-go, and Major and Jeannie keep that vibe alive. As soon as he rubbed the lamp and saw Jeannie's bare midriff, Major knew three wishes would never be enough.

Lois is a total MILF who completely adores Peter. That's lucky for him, because Quagmire isn't the only guy Lois could have if she really wanted.

With a name like "Hot Lips" you know the lovin' is good. Margaret's tight Army pants and Frank's flirtations brought some real swing to the Korean War.

Good things come to those who wait and, in Niles' case, hanging in there brought him Daphne. Turns out being a devoted friend and good listener can be super alluring in the long run.

"Wa, wa, wa" is right! Chachi Arcola and Joanie Cunningham had a passion so intense it couldn't even be contained: It fueled a spin-off: Joanie Loves Chachi.

College is a time of exploration, and while Dwayne and Whitley matriculated at Hillman, they learned about the human anatomy in more than just textbooks. Coming from two totally different worlds didn't stop these two from connecting on a major level.