The Frog's Legacy The Frog's Legacy "The Frog's Legacy" is the sixth Christmas special episode of the BBC sitcom, "Only Fools and Horses". It was first broadcast on 25 December 1987. In the episode, the Trotters search for the hidden gold legacy of Frederick "Freddie the Frog" Robdal, an old friend of their mother's. Del Boy, Rodney and Albert go to Hampshire to attend the wedding of Trigger's niece, Lisa, who appeared in the episode "Tea for Three". Whilst there, Trigger's Aunt Reenie (Joan Sims) tells Del about a known local gentleman thief, Freddie "The Frog" Robdal. It transpires that Del and Rodney's
Aunt Dahlia his Aunt Dahlia, he decides that her moral code is not as strict as his. In any event, she wins her wager. Bertie refers to Aunt Dahlia as his "good and deserving aunt", in contrast to his unfriendly Aunt Agatha. Unlike Aunt Agatha, she seems to enjoy Bertie's company. Dahlia dandled Bertie on her knee when he was very young, and once saved him from swallowing a rubber comforter. When Bertie had measles as a child, Aunt Dahlia played tiddlywinks with him for hours and let him win, though Bertie maintains that his victories were due to his own skill.