Short answers, pulled from the story.
Star Wars Rebels follows a group of rebels called the Spectres who conduct covert operations against Imperial forces 14 years after Revenge of the Sith and five years before A New Hope. The series focuses on Ezra Bridger, Kanan Jarrus, Hera Syndulla, Sabine Wren, and Garazeb Orrelios as they fight against the Empire.
Taylor Gray voices Ezra Bridger while Freddie Prinze Jr. voices Kanan Jarrus and Vanessa Marshall voices Hera Syndulla. David Oyelowo provides the voice for Grand Admiral Thrawn and Steven Blum voices Garazeb Orrelios.
The series premiered as a one-hour television film titled Spark of Rebellion on the 3rd of October 2014 on Disney Channel. The regular series then began airing on October 13 on Disney XD following the announcement made in May 2013.
Star Wars Rebels won the Saturn Award for Best Animated Series Television for its final two seasons and received nominations for both Critics Choice Television Award and Primetime Emmy Award. Rotten Tomatoes gave the first season a 92% positive score and awarded perfect scores to seasons 2, 3, and 4 based on aggregated reviews.
Del Rey Books published the prequel novel A New Dawn on the 2nd of September 2014 while Marvel Comics released a 12-issue Kanan comic series from the 1st of April 2015 through the 16th of March 2016. Timothy Zahn wrote the Thrawn novels including Alliances released the 24th of July 2018 and Treason released the 23rd of July 2019.