7 classic television shows they CAN'T bring back

It would be impossible to revive these shows because of the unique contribution of the leading actors:

• "Columbo" = Peter Falk
• "Dad's Army" R.I.P. John Le Mesurier, Arthur Lowe, Clive Dunn, Bill Pertwee.
• "Steptoe and Son"  Unique blend of humour and pathos
• "Up Pompeii"  Frankie Howard, tailor made vehicle
• "The Honeymooners"  Jackie Gleason+Art Carney+Audrey Meadows=TV magic
• "The Odd Couple"  Who was the genius who cast Tony Randall and Jack Klugman?
• "Fawlty Towers"  unimaginable