[1] NBC officially announced The Voice's renewal on May 13, 2012, during its 2012–13 upfront presentation, with the show returning as a fall series.
Season three introduced Steals during the Battle rounds in which other coaches can save a losing artist to join them to their team and reinstating them in the competition.
This is the first season to introduce a revamp of the competition during the live shows adapting to a format similar to The X Factor, where eliminations now apply to any artists disregarding to the team's affiliation, and the iTunes bonus multiplier where it was awarded a tenfold of votes (fivefold as of season five) to certain artists if their recorded single peaked at a certain position at the close of the voting window.
Mary J. Blige, Michael Bublé, Rob Thomas, and Billie Joe Armstrong joined the show as advisers for Adam Levine, Blake Shelton, CeeLo Green, and Christina Aguilera's teams respectively during the Battle Rounds segment of the show.
[4] Christina, Blake, and Cee Lo brought in Ron Fair, Scott Hendricks, and Jennifer Hudson respectively to help coach in the episode, Top 10 Perform Live.
[9] Episode 9 featured a clip show recapping some of the highlights of the blind auditions, along with the preview of the Battle rounds.
Additionally, producers made changes in the voting system with regards to iTunes singles purchases, announced during the results show.
Christina, Blake and Cee Lo brought in Ron Fair, Scott Hendricks and Jennifer Hudson respectively to help in this week's coaching.
Cee Lo brought in Bill Withers, the original singer/songwriter of "Lean on Me" to help coach Nicholas David this week.
This week's iTunes bonus multipliers were awarded to Cassadee Pope (#2), Melanie Martinez (#4) and Nicholas David (#9).
This week's iTunes bonus were awarded for Terry McDermott (#2), Cassadee Pope (#4 & #7), Nicholas David (#5) and Trevin Hunte (#9).
Special guests included Howie Mandel from Take It All and Of Monsters and Men, whose song "Little Talks" was covered in a non-competition performance, in the audience.
[20] The live performance opens with all contestants and judges singing Leonard Cohen's Hallelujah holding up the names of the victims of the Sandy Hook Elementary School mass shooting 3 days prior to its airing.