Question: When a Private individual is the source and 018 is the story number what is the total footage remaining from missing episodes (mm:ss)?
SQL: SELECT "Total footage remaining from missing episodes (mm:ss)" FROM "1-1889619-5" WHERE "Story no." = '018' AND "Source" = 'Private individual';

Question: When 01:18 is the  total footage remaining from missing episodes (mm:ss) and BBC is the source what is the country/territory? 
SQL: SELECT "Country/Territory" FROM "1-1889619-5" WHERE "Source" = 'BBC' AND "Total footage remaining from missing episodes (mm:ss)" = '01:18';

Question: When 00:21 is the total footage (mm:ss) what is the serial?
SQL: SELECT "Serial" FROM "1-1889619-5" WHERE "Total footage (mm:ss)" = '00:21';

Question: When Episode 4 is the missing episode with recovered footage and the 032 is the story number what is the country/territory?
SQL: SELECT "Country/Territory" FROM "1-1889619-5" WHERE "Story no." = '032' AND "Missing episodes with recovered footage" = 'Episode 4';

Question: When 00:02 is the total footage (mm:ss) what is the story number?
SQL: SELECT "Story no." FROM "1-1889619-5" WHERE "Total footage (mm:ss)" = '00:02';