Pete Seaton's excellent Poptastic site says:-
""TOP OF THE POPS 16/11/72 (BBC1 7.26pm - 8pm) (complete survives,b/w) RH ®
Introduced by Jimmy Savile
Blue Mink - Stay with me (Studio)
Jackson Five - Looking through the windows (Disc)
Neil Sedaka - Oh Carol (Disc)
Osmonds - Crazy horses (Studio)
Strawbs - Lay down (Studio)(b/w)
Chuck Berry - My ding a ling (Studio) b/w rpt
Shangri La’s - Leader of the pack (Promo)
Hot Chocolate - You’ll always be a friend (Studio) (b/w)
Rod Stewart - Angel (Studio) b/w
Gladys Knight & The Pips - Help me make it through the night (Studio)(b/w)
Slade - Gudbuy t’Jane (Promo)
Gilbert O’Sullivan - Clair (Studio)(b/w)
(Credits) >> Musical Director - Johnny Pearson, Choreography - Flick Colby, Sound - Richard Chamberlain, Produced by Johnnie Stewart
TOP OF THE POPS 23/11/72 ®
Introduced by Noel Edmonds
Blue Mink - Stay with me (Studio)
Cliff Richard - Brand new song (Studio)
David Cassidy - Rock me baby (Disc)
Donny Osmond - Why (Promo)
Elton John - Crocodile rock (Disc)
Lynsey De Paul - Getting a drag (Studio)
Michael Jackson - Ben (Studio)
Neil Sedaka - Oh Carol (Studio)
Slade - Gudbuy t’Jane (Promo)
Four Tops - Heeper of the castle (Studio) Rpt
Strawbs - Lay down (Disc)
Chuck Berry - My ding a ling (Studio) b/w rpt
(Credits) >> Musical Director - Johnny Pearson, Choreography - Flick Colby, Sound - Richard Chamberlain, Produced by Johnnie Stewart""
It's quite feasible that it was recorded for 16/11/72, but shown 23/11/72. Until we see the complete shows, I don't suppose we can be certain.