You will Watch Disney’s Adventures of the Gummi Bears Season 4 Episode 8 online for free episodes with HQ / high quality. Stream cartoons Disney’s Adventures of the Gummi Bears Episode 55 He Who Laughs Last. Fed up with Gummi Bear stories by Sir Garwin, a retired knight and Cavin’s grandfather, a citizen of Dunwyn issues a challenge to him: Find evidence of the Bears’ existence, or give up his fortune. Cavin, of course, is stuck between helping his grandfather and keeping the secret of his friends. Meanwhile, Tummi Gummi is cursed after eating a dangerous fruit and his friends must find a spell to save him.