That time that Aviva ignited a firestorm heretofore known as #BookGate by suggesting that Miss Carole Radziwill had used a ghostwriter. Watch it all go down again HERE.

That time Sonja Morgan introducted the world to "Caburlesque." Watch her steamy performance again HERE.

That time Heather Thomson proved that she was not to be messed with in the Hamptons. Watch it again HERE.

That time LuAnn de Lesseps tried to end the drama by offering the women as much fruit tart as they could desire -- and by constantly reminding them that she was the hostess.

That time Sonja's tooth feel out. Watch it again HERE.

That time Aviva tried to have a serious conversation with Sonja while wearing this mask.

That time splendor that was Red Sonja was bestowed upon on the world.

That time Carole Radziwill was the queen of the Mermaid Parade, several people perhaps thought they were drag queens, but it all ended in a very Ya-Ya Sisterhood moment of poetic justice on the beach.

That time worlds collided and The Real Housewives of Beverly Hills (Brandi and Yolanda) had brunch with The Real Housewives of New York City (Carole and Kristen) and discussed Elvis, makeouts, and Clooney. Watch it again HERE.

Proposal 1 of 3: That time Carole punked the ladies and said her ex proposed. Watch her prank again HERE.

That time Ramona Singer was splashed by Kristen Taekman (watch it again HERE.) and attempted to recover with a strategically placed curler.

That time Ramona had an air conditioner delivered to the Heather Thomson's house in the Berkshires.

That time Ramona threw not just wine, but a wine glass at Kristen in a canoe. Watch it again HERE.

That time Ramona got very Ramotional in the woods, before escaping the woods via private plane. Watch her Berkshires breakdown again HERE.

That time Sonja Morgan got her flirt on with a very young boat captain. Watch her work her magic again HERE.

That time the Real Housewives of New York City did yoga with a hangover -- and some wicked gas. Watch their not-so-namaste moment again HERE.

That time the Countess set up Carole, and things got a little awkward.

That time Ramona was not impressed with Carole's potential new assistants. Watch Ramona drill the candidates again HERE.

Proposal 2 of 3:That time George proposed, albeit while standing and holding a gift bag. HERE.

That time the Housewives said a tearful (perhaps because there were ashes in their eyes) goodbye to Sonja's dog Miliou. Watch it again HERE.

That time Sonja and LuAnn tried to ride bicycles in Central Park and Sonja had a less-than-Tour-de-France-worthy performance (her quote: "I feel like Elvis on the toilet").

That time the Housewives somehow proved their mettle at gambling -- minus Sonja who's decision to bet on all the horses did not net much in the way of results.

That time Sonja Morgan got down in Saratoga. Watch her "quad-polar" night again HERE.

That time we almost spilled our jelly beans because we were so excited that Kelly was LuAnn's mystery guest.

That time Sonja had a "walk of shame" (watch her "a victory lap" again HERE) and once that she arrived spilled literally all the secrets with her facialist.

That time we learned Sonja's interns help her with her underwear packing needs.

That time Aviva opened her "bag of crazy" (Ramona's words) and produced some asthma medication to prove why she couldn't come to Montana. Watch the evidence get produced again HERE.

That time LuAnn and Sonja had it out over dinner in Montana -- and that in this extended scene Sonja accused LuAnn of not being a lady because she ate Lay's Potato Chips. Watch the exclusive clip HERE.

That time Carole thought a silk kimono was the best attire for walking in the woods.

That time everyone lost their mind while "geo-caching."

That time the ladies went to Montana (you really should read all 38 of their best quotes about the adventure), but specifically, that time someone let them throw hatchets. Watch their axe-throwing prowress again HERE.

That time Mario melted Ramona's heart with his "Effortless" performance, which was nice because LuAnn had called Ramona a "cow" only moments before. Watch his ode to loving Ramona again HERE.<

That time Heather proved that she can be added to the list of Housewives that can sing (#bossy). Watch her performance again HERE.

That time Ramona sent Avery to college, and reminded us of an eternal truth -- "It feels good to cry." Watch Avery grow up again before your very eyes HERE.

Proposal 3 of 3: That time Harry Dubin gave Sonja a promise ring -- almost to immediately leave with another woman, forcing Sonja to run after him and sprain her ankle. Watch the happier part of that story again HERE.

That time Carole Radzwill ghostwrote Heather Thomson's birthday speech for her. Watch the hilarious roast/toast again HERE.

That time Carole made the best use of eBay and bought a bear suit to spook the other ladies in Montana. Watch her second prank of the season again HERE.