The Sixth Season of Bob's Burgers refers to the sixth broadcast season. On September 26, 2013 Fox renewed the show for a fifth broadcast season and on January 8, 2015 fox ordered a sixth production season of 22 episodes. On September 27, 2015, the show started airing episodes from the fifth production season along with a couple from the sixth production season. It finished airing on May 22, 2016 with it's 100 episode, although that wasn't the 100th episode to air, it was the 107th.
Bob notices that he has started to lose his hair. In a wave of nostalgia, Linda reminisces about Bob's mustache and how it made her fall for him years ago. Meanwhile, the kids tell their own versions of the story of how their parents met.
The upcoming Land Ship parade could mean increased business for Bob, until he learns that two port-o-potties will be placed in front the restaurant. Meanwhile, Tina learns from her friends that she’s boring, so she joins up with Jordan who has been vandalizing the school with graffiti. But when Jordan wants to spray graffiti on the Land Ship, Tina must decide between ruining the parade or disappointing her new crush.
The Belchers are ready for an amazing Halloween! Louise reveals that she has never been scared before and the family sets out to visit a spooky haunted house. When trouble ensues following their visit, the Belchers find themselves in a zany situation more frightening than they bargained for!
When Gayle is injured, Linda sends Bob off to pick her up, so that she doesn't miss out on Thanksgiving festivities. But an unexpected snowstorm derails his trip home, and his epic plan to prepare the turkey is foiled. Bob then must put the fate of the turkey and the Belcher Thanksgiving in Linda's hands and spend time bonding with his sister-in-law.
When a grumpy mall Santa threatens the kids with the dreaded Naughty List, Gene, Tina and Louise decide to put on a musical performance spectacular to earn their spot on the Nice List. Can they change Santa’s mind in time to save their Christmas?
When Bob throws a dinner party to bond with his new friend, Gayle uses the opportunity to introduce the family to her new love interest. Little does she know, Louise has a long-standing feud with Gayle’s boyfriend and her niece will stop at nothing to break them apart. Calamity ensues as Bob attempts to impress his new buddy and the kids take action.
Gene and Courtney get their big break when they are asked to be the new hosts of the morning announcements, but their romantic history threatens to get in the way. Meanwhile, Tina’s attempt to play Cupid goes tragically awry when she volunteers to spear-head the Valentine’s Day carnation fundraiser.
After Bob slips on the sidewalk, he is forced to take legal action in order to pay for surgery. In a turn of events, Bob finds himself under the care of Jairo, who promises to help him heal without a doctor. Meanwhile, the kids create a fake law firm to settle their personal discrepancies.
After a family vote rules against buying a new couch during TV Night, Louise takes matters into her own hands. The Belchers take sides as they are forced to decide whether memories are enough to keep their family sofa. Will they take the Sofa Queen’s advice and learn to love a new couch?
When Tina volunteers alongside Nurse Liz, she finds herself involved in the biggest scandal to hit Wagstaff: a lice infestation. Meanwhile, Bob makes improvements to the restaurant that end up driving customers away. Can the Belchers juggle both a crisis at the restaurant and lice?
When there is a bounce house crisis at Regular Sized Rudy’s birthday party, the Belcher kids devise a scheme to save the day. Meanwhile, Bob deals with an unexpected guest at the restaurant and is forced to come to terms with a longstanding fear.
When Gene overhears talk about a mystical creature that lives nearby, he leads the Belcher kids and their friends on a journey to find it. Meanwhile, Linda’s competitive nature takes over during downtime at the restaurant.
When Bob’s longtime friend, Critter, finds himself in jail for unpaid parking tickets, the Belchers decide to do what they can to help him out. Meanwhile, Linda takes on a babysitting job that becomes more work than she signed up for.
When Dottie Minerva comes down with a bad case of mono, Tina gets her shot as soloist of the Hormone-iums. But as she rehearses for the big assembly, Tina realizes that her role in the play could ruin her social status. Meanwhile, Linda strikes gold with a business plan that she thinks could make the Belchers rich.
When Bob’s friend, Warren, comes to town, he makes an offer to invest in the restaurant. Bob is thrilled that it finally could get a much-needed makeover, until he learns that Warren has some strong interior design choices in mind. Meanwhile, Warren’s visit means one of the kids must give up their bedroom.
When Louise hears that Boo Boo is leaving Boyz 4 Now, she enters a contest that could give Tina the chance to meet him. Meanwhile, Bob and Linda learn an interesting piece of history regarding the restaurant, which leads to tension between Bob and Jimmy Pesto.
After finally convincing Bob and Linda to send her to horse camp, Tina realizes she has to part ways with Jericho, her imaginary horse. Meanwhile, Linda decides to create a restaurant camp in an attempt to make things fair for Gene and Louise.
Tina’s ideas of love and romance are tested when she volunteers at a nursing home to earn her next Thunder Girls badge. Meanwhile, Bob makes new friends who lead him to make some questionable choices.
The kids’ goop war lands Bob in a sticky situation. The prank happens to occur on the same day that Skip Marooch calls to tell Bob that a journalist is coming to the restaurant to write a profile and the whole town gets involved.