10 of Those
https://www.10ofthose.com/uk/products/20539/christianity-explored-dvd
Amazon
https://www.amazon.com/Christianity-Explored-DVD-English-Japanese/dp/178498079X
Christianbook
https://www.christianbook.com/christianity-explored/9781784980795/pd/980795
https://www.christianbook.com/
CRU Singapore
https://mm.cru.org.sg/christianity-explored-dvd.html
Eden UK
Parasource
https://www.parasource.com/christianity-explored-dvd
The Good Book