Only Fools and Horses, Series 1 (1981)

Grandad:
(On the phone) 'Ere, there's someone on the phone. It's Tim.

Del:
Tim who?

Grandad:
Tim the Talking Clock. (Rodney takes the phone as Del double checks the note)

Del:
Hold a cow! She only phoned the talking clock before she left! And this i-- (turns the note over) Gordon Bennett, this is dated four days ago!

Rodney:
I don't want to worry you, Del, but this Tim's got a funny accent.

Del:
(takes the phone and listens. A look of horror crosses his face) She only phoned the talking clock in America!

Grandad:
(taking the phone) You mean we're connected to America? (listens) It's amazing, innit? Hello!!

Del & Rodney:
HANG IT UP!!