Boo Boo Runs Wild: Boo-Boo gets fed up with the rules imposed on bears by humans and decides to return to his “wild” roots. Boo Boo Runs Wild is a stand-alone special parody of the Hanna-Barbera cartoon series, The Yogi Bear Show. It was made by The Ren & Stimpy Show creator John Kricfalusi and his company Spümcø. Boo Boo Runs Wild originally aired on Cartoon Network on September 24, 1999, along with A Day in the Life of Ranger Smith, a similar Yogi Bear-themed stand alone special.