Short answers, pulled from the story.
Star Wars Rebels premiered on the 3rd of October 2014, with a one-hour special called Spark of Rebellion airing on Disney Channel worldwide. The series proper began on Disney XD on the 13th of October 2014.
Star Wars Rebels ran for four seasons. The final episode aired on the 5th of March 2018, following a fourth-season premiere on the 16th of October 2017.
Dave Filoni, Simon Kinberg, and Greg Weisman served as executive producers of the first season. Weisman departed after season one. Filoni served as supervising director for the first two seasons, stepped back for season three to oversee all Lucasfilm Animation projects, then returned to supervise season four.
Star Wars Rebels became the first recipient of the Saturn Award for Best Animated Series on Television, winning for its third and fourth seasons. The show also won the Primetime Emmy Award for Outstanding Children's Program in its final two seasons, and Kevin Kiner received Emmy recognition for his score on the series finale.
The Disney+ series Ahsoka serves as a direct continuation of Star Wars Rebels. Sabine Wren, Ezra Bridger, and Hera Syndulla made their live-action debuts in that series, portrayed by Natasha Liu Bordizzo, Eman Esfandi, and Mary Elizabeth Winstead. Dave Filoni and Lars Mikkelsen reprised their roles as Chopper and Grand Admiral Thrawn.
The visual style of Star Wars Rebels was inspired by the original Star Wars trilogy concept art created by Ralph McQuarrie. This design choice oriented the show toward the aesthetic sensibility of the first three films rather than the prequel era.