Beg, Borrow or Steal

S1, E6: Fisher the pawnbroker blackmails Alf into letting him into the house, masquerading as a French polisher, to rob the safe whilst the family are watching a recital by the 'progressive' poet Aubrey Wilmslow. Ivy appeals to James to save the situation, which he does, giving the impression that Alf had no idea what was happening and that Fisher is an old comrade fallen on hard times. However it also means that James now knows that Ivy is Alf's daughter.