In 2015, DeKnight joined the Transformers Cinematic Universe franchise's writers room, where Paramount Pictures hired multiple noted screenwriters to flesh out the future of the film series.

[5] On July 17, 2018, it was announced that DeKnight would be credited as a show-runner and executive producer alongside Lorenzo di Bonaventura and Dan McDermott in the Netflix superhero series, Jupiter's Legacy.

[6][7] On September 16, 2019, it was confirmed that DeKnight departed the series as a showrunner over creative differences in the midst of the production for the first season.

[8] On April 15, 2019, DeKnight joined a host of other writers in firing their agents as part of the WGA's stand against the ATA and the practice of packaging.

[9] In November, 2023, Starz has greenlighted the new 10 episode drama series Spartacus: House of Ashur with the return of DeKnight to the franchise serving as showrunner and executive producer.