Abby's relationships refers to the friendships that Abby has with various humans and Fuzzlies in the show, elaborated on in the following sections.
Abby is Bozzly's very best friend, and they have a strong bond. Abby enjoys playing with Bozzly and being silly with him. She hugs him quite often. When it's time to save fuzzlies, Bozzly rides on the bike with Abby, as he is her sidekick as well as BFF. Abby loves Bozzly with all of her heart, and more than any fuzzly. Abby enjoys his company he rides on the bike with her, and he is always standing right by her side. He helps Abby think of ideas to save the fuzzlies. They share the same room. See Best Friends Abby and Bozzly
Grumbles is Abby's friend that can morph into anything. Abby and Bozzly helped him to get rid of the hiccups and his shyness. She also helped him to not be afraid of getting his fur trimmed. In Grumbles' Family Reunion, she wanted him to see Granny Grumbles, so she planned a surprise visit from her. But Grumbles ended up seeing the surprise. Grumbles was still happy in the end, and happy with Abby. Abby met Grumbles in Fuzzlies' Camping Trip.
Mumbles is the baby fuzzly that Abby and Bozzly baby sat in Super Sitter Abby. She helped him to fall asleep, even though it was quite tiring.
Princess Flug is Abby's friend. She is gooey but Abby doesn't mind. Abby and Bozzly have saved her quite a few times, since she gets in to trouble.
Abby barely sees Cousin Flugtilda, as she is only seen in the episode with the same name. Flugtilda and Abby immediately became friends when she appeared in the courtyard. Princess Flug got jealous of the attention and ran away, but Abby convinced her that she is loved.
Teeny Terry is Abby's teeny friend. Abby saves him when he gets frustrated and blows up like a balloon. With the help of Bozzly, Abby makes sure Teeny Terry lives in harmony.
Otis is Abby's friend. He takes Abby and Bozzly to wherever they need to go, especially to their room. Otis has gotten bruises, but Abby treated him with her care case.
Mo and Bo are Abby's twin fuzzly friends. They enjoy tap dancing with her and Bozzly. But sometimes it can get oud of hand, like in Otis' Sick Day where they were blocking the elevator with their dancing, and in Tappin Mo and Bo where their tap dancing shook the floor.
Abby enjoys the Squeaky Peepers music, and makes her work fun. She soothes them often with the Pitch Pipe. When one of them is missing they get a squeaky Peeper panic, but Abby and Bozzly make sure they keep together at all times.