As I mentioned the VHS tape, there was another section at the end: Little Leopard went to space. As it is on that 1984 tape I assume it came on TV that year. Strangely enough when I researched the story, it was apparently only “known” in 2018. Weird!
See the SCMP article:
‘China’s secret 1960s mission to send two dogs into space”
25 February 2018
Academy reveals how it selected the animals and strapped them into tiny, windowless capsules mounted on rockets for a journey they somehow survived
Stephen Chen in Beijing
It is Little Leopard
As maybe many cannot reach the article, see a PDF of an edited version. Read the original for all details.
Comparing the screenshots and the pictures, it is clearly Little Leopard and not Shan Shan.