"Gluons, Guacamole, and the Color Purple" - Pictured: Dr. John Sturgis (Wallace Shawn). When Sheldon is no longer academically challenged at Medford High, he audits a college class taught by Dr. John Sturgis (Wallace Shawn), on YOUNG SHELDON, Thursday, April 19 (8:31-9:01 PM, ET/PT) on the CBS Television Network. Photo: Michael Desmond/Warner Bros. Entertainment Inc. ÃÂ© 2018 WBEI. All rights reserved. | Episode 1.19 - Gluons, Guacamole, and the Color Purple | Promotional Episode Photos | Season 1 | Young Sheldon | Gallery

SpoilerTV Image Archive | Gallery | Young Sheldon | Season 1 | Promotional Episode Photos | Episode 1.19 - Gluons, Guacamole, and the Color Purple | "Gluons, Guacamole, and the Color Purple" - Pictured: Dr. John Sturgis (Wallace Shawn). When Sheldon is no longer academically challenged at Medford High, he audits a college class taught by Dr. John Sturgis (Wallace Shawn), on YOUNG SHELDON, Thursday, April 19 (8:31-9:01 PM, ET/PT) on the CBS Television Network. Photo: Michael Desmond/Warner Bros. Entertainment Inc. ÃÂ© 2018 WBEI. All rights reserved.

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