CREATE TABLE table_2101431_1 (broadcast_date VARCHAR, archive VARCHAR, run_time VARCHAR)

What is the broadcast date of the episode on 16mm t/r that ran 23:25?
SELECT broadcast_date FROM table_2101431_1 WHERE archive = "16mm t/r" AND run_time = "23:25"
SELECT "broadcast_date" FROM "table_2101431_1" WHERE "16mm t/r" = "archive" AND "23:25" = "run_time"