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
Grandad (Only Fools and Horses) photograph of Grandad during the war. When Del asks why Grandad is wearing a vest and plimsolls, Albert answers 'Well, he'd just deserted.' After the war, Grandad had various short-term jobs before he retired, including working as a security officer at a warehouse in Chingford which he was sacked from after a janitor stole over three hundred briefcases from under his nose. His wife, who apparently worked as a char-lady in these later years died when Rodney was still young. It is revealed in "Tea For Three", by Grandad's younger brother Uncle Albert (played by Buster Merryfield), that he and