Question: Which channel did Going for Gold air on?
SQL: SELECT "Original channel" FROM "2-13549921-18" WHERE "Programme" = 'Going for Gold';

Question: What channel is Gladiators on?
SQL: SELECT "New channel(s)" FROM "2-13549921-18" WHERE "Programme" = 'Gladiators';

Question: When did Going for Gold return in BBC One?
SQL: SELECT "Date(s) of return" FROM "2-13549921-18" WHERE "Original channel" = 'BBC One' AND "Programme" = 'Going for Gold';