My father, Joseph S Chapman, was on a game show "I've Got a Secret" in
Australia. It was recorded on Monday, November 13, 1972 and broadcast
on QTQ9 (Brisbane) on Thursday, November 23, 1972.

I'm trying to track down and purchase, if possible, a VHS videotape of
that episode. According to a newspaper clipping he has (which
unfortunately doesn't show the date or newspaper title), the "secret"
he brought with him was a replica of an Aztec Calendar Stone, or
sundial.

The host, or compere, of the game show was Don Seccombe.
I believe the show was broadcast in black & white.

The newspaper clipping states: "This sundial was an unusual secret to
test the panel at QTQ9 studios. On the set of I've Got a Secret:
Babette Stephens, compere Don Seccombe, guest with the sundial Joseph
Chapman, guest panelist Ken Lord, Joy Chambers, Russ Tyson".

The show was reportedly produced by Reg Grundy Enterprises, who wrote
him his "prize check" for $10 dated 15 November 1972, signed by Reg
Grundy.

I am trying to track down a videotape (in any format; I could probably
convert it to VHS locally if necessary) or DVD of this episode as a
gift for my father.

Please provide a location (mailing address. phone number, website or
e-mail address) where I can purchase this episode.