Apologises for the delay, internet outage in our area.
Here we go........
1/ Take your Pick - all hosts guessed.
2/ The Golden Shot - Only 1 host needed - Bob Monkhouse,Charlie Williams & Norman Vaughan guessed.
3/ The Price is Right - 2 hosts needed - Bruce Forsyth guessed.
4/ Blankety Blank - all hosts guessed.
5/ Catchphrase - all hosts guessed.
6/ Countdown - all hosts guessed.
7/ Name that Tune - 2 hosts needed - Tom O'Connor guessed.
8/ The Generation Game - Only 1 host needed - Bruce Forsyth & Larry Grayson guessed.
9/ Every Second Counts - Only 1 host they have been guessed.
10/ Mr & Mrs - 4 hosts needed - Derek Batey & Phillip Scofield/Fern Britton guessed.
11/ Wheel of Fortune - 1 host needed - John Leslie, Nicky Campbell & Bradley Walsh guessed.
12/ Blockbusters - 3 hosts needed - Bob Holness & Liza Tarbuck guessed.
13/ The Crystal Maze - all hosts guessed.
14/ Family Fortunes - 1 host needed - Bob Monkhouse, Les Dennis & Max Bygraves guessed.
15/ Call my Bluff - 5 hosts needed - Robert Robinson guessed.
16/ Treasure Hunt - 1 host needed - Kenneth Kendall guessed.
17/ Chain Letters - 4 hosts needed - Andrew O'Connor & Jeremy Beadle guessed.
18/ Whats my Line - 1 host needed - Eammon andrews guessed.
19/ 15 to 1 - 1 host needed - William G Stewart & Sandi Toksvig guessed.
20/ 3 - 2 - 1 - Only 1 host they have been guessed.
Hope this helps you find the missing hosts.