Sonic Boom announced, but just what has Sega done to Knuckles

Sonic Boom to encompass video games on Wii U and 3DS, a TV series, and a toy line; launching in 2014.
Sonic Boom: Shattered Crystal is a standalone adventure that shares key characters, events and lore of the Sonic Boom universe with exclusive environments and characters, as well as an emphasis on platforming and puzzles.

Sonic The Hedgehog' Spin-Off Series 'Knuckles' Reveals Cast, With Idris Elba Returning

E3 2014: The Sonic Boom Games Don't Feel Like the Focus of Sega's New Initiative — GAMINGTREND

What I need from Knuckles going forward. — Jackson P. Brown

Sonic Frontiers contains a treasure trove of callbacks for fans

Game, Life Podcast: Sonic the Hedgehog, Godus, and Other Dying Things

Sega reveals new Sonic Boom sub-franchise and game – Destructoid

SEGA Reveals Multiple Sonic The Hedgehog Announcements For 2022

Sonic the Hedgehog spin-off series Knuckles casts Adam Pally, Tika Sumpter

Sonic Boom is done, according to show's producer – Destructoid

SEGA Confirms Knuckles Not Playable in Sonic Origins Sonic CD Port – SoaH City

Sega Producer Explains Exactly What Went Wrong With Sonic Boom

Sonic Boom gives Sega's series a new look, two new developers - Polygon

Sonic Boom speed run takes less than an hour, thanks to a Knuckles glitch - Polygon

Knuckles': 'Sonic The Hedgehog' Spinoff Series Starring Idris Elba Adds Cast Members Including Kid Cudi

Sonic The Hedgehog 3′ & Knuckles Series For Paramount+ Announced, Idris Elba, Movies, Paramount Plus, Sonic The Hedgehog, Television