[15] Sugar played an important role in the creation of nockFORCE, a cartoon series created by Ian Jones-Quartey and Jim Gisriel and launched in 2007 on YouTube.

[27][28] She was an executive producer for Steven Universe for its entire run, and a storyboard artist for several of its episodes; the series premiered on November 4, 2013 and concluded on January 21, 2019.

[29] The movie was followed by an epilogue limited series titled Steven Universe Future, also with Sugar as executive producer, which premiered on December 7, 2019[30] and concluded on March 27, 2020.

On Cameron Esposito's podcast Queery, Sugar stated "I want to champion LGBTQIA, all of it, content ... in G-Rated, family entertainment.

She believes that early and positive exposure to the LGBTQ community can help queer identifying children avoid experiencing shame in their own identities.

[35] Additionally, she described Neon Genesis Evangelion as a major influence, while her series Steven Universe has references to Sailor Moon, Dragon Ball, Tengen Toppa Gurren Lagann, Captain Harlock, Kiki's Delivery Service, and Initial D.[36][37] Sugar designed the album cover of True Romance for Estelle, the voice of Garnet on Steven Universe.

The video talks about U.S. Immigration and Customs Enforcement detainees and the poor living conditions they are experiencing in light of the COVID-19 pandemic.

[42] Between October 2020 and April 2021, the anti-racism PSAs "Don't Deny It, Defy It", "Tell the Whole Story", "See Color", and "Be An Ally", that she worked on with Ian Jones-Quartey, featuring characters from Steven Universe, were released on the Cartoon Network YouTube channel.

[47] On September 17, 2023, Sugar announced on social media her first personal music album, Spiral Bound, which released November 3, 2023.

[48][49] In video feature for the School of Visual Arts in September 2024, Sugar said it was challenging to write a song herself, that she "didn’t know how to start" and decided to write original songs for a cartoon character she created, noted that previously she had made a lot of art out of a "quest for perfection" and self-destruction, and said that much of what she does at the present goes back to her time at the school.

SVA described the album as inspired by "three years of daily journaling and sketching in spiral-bound notebooks" and chronicling the process of healing from "extreme burnout and unresolved trauma.

[54] In July 2016, Sugar said at a San Diego Comic-Con panel that the LGBT themes in Steven Universe are in large part based on her own experience as a bisexual woman.

[22] In October 2020, in the final art book for Steven Universe, Sugar said that she loved being able to place her experiences in a different context "through a nonbinary lens" when writing characters for the show.

[2] Variety included Sugar in "Hollywood's New Leaders 2016: The Creatives", a list celebrating upcoming filmmakers, show-runners and creators in both traditional and digital media.