By Allison Watkinson TLL Reporter Nickelodeon is debuting new content for the popular Blue's Clue's children's entertainment franchise. The content includes a brand-new episode called The Case of the Missing Thinking Chair for the Blue’s Clues & You! TV series and the TV debut of the Paramount+ original movie Blue’s Big City Adventure. The Case of the Missing … [Read more...] about Blues Clues is Back With New Episodes and Feature Film