The Best Episodes Written By Gregg Mettler

The whole crew just returned from hiatus, and everyone is rested, recharged and ready to get back to work. But when a new branding guru comes in to revamp "Up Late," the gang rallies together and realizes that they don't need gimmicks and hijinks; they just need each other and a couple of familiar tunes to get them back on track.

Adam tries to keep cool when his oldest daughter goes through a momentous occasion, while Andi gets stuck in traffic taking Emme and Teddy to the zoo.

Adam and Andi toy with the idea of having another baby when Don and Marcy's newborn grandson comes for a visit.

An invitation arrives in the mail from an 'Aunt Florence', inviting 'Richard Solomon' to attend a Solomon family reunion in Indiana. This is obviously a mistake, so Dick phones Florence to set the record straight. Upon discovering that Richard is so estranged that his family wouldn't recognize him anyway, he decides that the aliens could do with some roots and accepts the invitation. Upon arriving, however, it becomes clear that the only reason the real Richard is estranged is because of an old family fallout - and it hasn't burned out yet.

Dick is up for a prestigious grant but his chances look somewhat marred when he and Mary receive chain letters, and Mary, upon throwing hers away, becomes victim to a series of misfortunes. Dick looks toward superstitious rituals and lucky charms for help. Don treats Tommy and Alissa to a series of ice hockey games for which he bought tickets for when he was dating Sally, but Tommy begins to worry that he isn't manly enough to compete with the likes of the players. Sally and Harry visit a hardware store, where Sally takes a liking to a series of workers, while Harry is mistaken for an employee, due to his bright orange shirt.

Dick is jealous when fellow physics professor Vincent Strudwick publishes a critically acclaimed, bestselling book on physics, and, while Mary busies herself showing the visiting Nobel Prize winners around the campus, he decides to write a second book that will better Strudwick's. He then realizes, however, that he cannot publish all the secrets of the universe without raising unwanted questions, and so looks for another way to get at Strudwick, using Tommy and Alissa - who, it turns out, is Strudwick's daughter. Sally and Don decide to start hanging out as friends, but soon find themselves unable to resist each other.

Dick crashes the car into a tree and calls an insurance company to cover it, but the salesman informs him that in order to be covered, he needed to have taken out insurance before the crash. Instead, the salesman manages to convince Harry to buy insurance, but then ignores all of Harry's attempts to call him. Dick, meanwhile, is pleasantly surprised when he discovers just how much more advanced his rental car is than the old Rambler, and so sells the latter for scrap; however, the Solomons soon begin to miss it.

Dick begins to have erotic fantasies about Nina, and makes the mistake of telling Mary about it, leading to an argument between the three of them. Dick is confused, and Don explains to him that his confession makes Mary feel as if she no longer excites him. Meanwhile, Sally falls under the spell of Margaret Williams, a lifestyle guru very similar to Martha Stewart, and an impressed Mary asks her to cater for a fund raiser she is holding. However, Sally becomes annoyed when the guests do not appreciate all the hard work she has put in.

Kelso returns on New Year's Eve 1979 to celebrate, while Red and Kitty rethink their plans to move to Florida.

The gang is preparing for the annual “Up Late” live Christmas special with, special guest Mindy Kaling. Animal is in charge of tinsel, Sweetums hangs the lights, Sam Eagle strategically places the mistletoe – everything is in order. Or so it seems. Meanwhile, Miss Piggy offers relationship advice to Fozzie, which forces her to reevaluate her relationship with Kermit. Yolanda rigs the Secret Santa gift exchange, and Echosmith performs at the crew’s Christmas party.

Adam forgets to find a babysitter while planning a romantic Valentine's Day with Andi, as a result, both of them try to survive the stress of leaving Kate in charge at home for the first time. Also, Don forgets to make romantic plans for Marcy and tries to steal Adam's.

After struggling to find work, Andi proposes an idea for her and Adam to go into business together; Adam tackles a challenging renovation of Joe and Bev’s kitchen.

When Andi's doctor advises her to stop taking birth control pills, Adam and Andi disagree on an alternate option.

As punishment for Donna going away to California, Bob transfers her to a Catholic School, which means that Donna won't get to see Eric as much. Eric is determined to fight for their right to be together, until he sees Donna in her new school uniform. Jackie and Hyde get caught making out in the basement; Eric and Donna try to convince them to tell Kelso what's going on.

When Adam convinces his stubborn father to finally go to the doctor, he learns a few things his dad didn't want him to know.

Dick's guilt over hitting a chipmunk with his car spurs him to animal-rights activism. Tommy's in trouble with August again. Meanwhile, Harry joins the Boy Scouts.

Sally has a new boyfriend and Dick has a new friend: Don. Meanwhile, Harry goes to school.

Tommy, an old man on the home planet, says he's tired of being a kid and "retires"; Mary tells Dick she wishes she had become a singer, so Dick decides to make her wish come true.

Dick orders the Solomons to go on a family-only camping trip. Then he invites Mary to go along.

Red thinks Pricemart checkout girl Stacey is perfect for his lovelorn son. The girl impresses Red when she justifies her dubious customer relations with a phrase dear to his heart. Red encourages Eric to ask her out and he even offers to assist. But when Red talks to Stacey, she says she's interested in someone else. Meanwhile, Jackie and Donna give Big Rhonda a makeover for her first date with Fez.

Kitty decides to throw a neighborhood barbecue after she wins a year's worth of hot dogs. Eric is upset when he learns Casey is invited, so he devises a convoluted plan to make Casey look bad in front of Donna. Kelso and Jackie seek relationship advice from Cosmo to uncover the root of their problems. Fez can't get past second base with Rhonda; Hyde's fed up with how the guys talk about the girls all the time.

Much to Eric's chagrin, Donna agrees to be Mitch's date to his brother's wedding. While there, Fez meets a beautiful girl and pretends to be rich to impress her, but the big news is the shockwave Mitch makes at the wedding..... Meanwhile, Kelso takes Brooke to a baby class.

When Adam and Andi have a disagreement at the office, they must find a way to solve it so it doesn't become a problem at home. Also, the kids try to extend Lowell's stay at their house after realizing he's an amazing cook.

Jackie's mother, Pam Burkhart (Brooke Shields) unexpectedly returns from Mexico. Everyone tries to convince Jackie to forgive her mother and welcome her back into her life. However, when Pam starts dating Bob, Donna and Jackie realize that Pam is still a gold-digger. Donna and Jackie agree to do whatever it takes to break their parents up. Kelso is scared to leave for police academy, but the guys force him to go.

Fozzie takes things a little too far when Kermit offers him advice and Nick Offerman steps in to help the gang. Meanwhile, Christina Applegate guests on “Up Late,” and brings Miss Piggy a sweet surprise that doesn't go over well and Pepe, Rizzo and Liam Hemsworth try to help Gonzo out with his online dating situation.