London's ___ 1 or ___ 2

• "Doctor Who" carrier
• Airer of the sitcom "'Allo 'Allo!"
• Where Monty Python first appeared
• U.K. television option
• Network on the telly
• Media giant abroad
• ___ America (channel that airs "Top Gear" in the US)
• ___ America ("Sherlock" channel)
• London-based network that airs "Sherlock"

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
see B.B.C.