Sleepless in Peckham at the sight of it, and Boycie and Marlene are tricked by Sid into paying for everyone's drinks. With only a few days left before the Trotters are evicted from Nelson Mandela House, Rodney gets an enlarged copy of the 1960 Jolly Boys' Outing photo and shows it to Cassandra at a restaurant. He shows her who was in the photo: Del, Boycie, Trigger, Denzil, Sid, Roy Slater, Grandad, Reg—and local gentleman thief Freddie "The Frog" Robdal, (pictured as Nicholas Lyndhurst) who bears an uncanny resemblance to Rodney. Rodney then tells Cassandra that Robdal is his biological father, explaining the
Thicker than Water (Only Fools and Horses) Thicker than Water (Only Fools and Horses) "Thicker than Water" is the third Christmas special episode of the BBC sitcom, "Only Fools and Horses", broadcast on 25 December 1983, and is the first to be screened on Christmas Day. The episode title comes from the proverb blood is thicker than water, highlighted by the appearance of Del and Rodney's father, Reg. Rodney and Grandad are watching television on Christmas Day, when a stranger appears at the door. The stranger turns out to be Del Boy and Rodney's father (and Grandad's son) Reg, who had abandoned them 18 years earlier after