-- Database schema
| Episode : episode_id [ TEXT ] primary_key , season [ INTEGER ] , episode [ INTEGER ] , number_in_series [ INTEGER ] , title [ TEXT ] , summary [ TEXT ] , air_date [ TEXT ] , episode_image [ TEXT ] , rating [ REAL ] , votes [ INTEGER ] | Person : name [ TEXT ] primary_key , birthdate [ TEXT ] , birth_name [ TEXT ] , birth_place [ TEXT ] , birth_region [ TEXT ] , birth_country [ TEXT ] , height_meters [ REAL ] , nickname [ TEXT ] | Award : award_id [ INTEGER ] primary_key , organization [ TEXT ] , year [ INTEGER ] , award_category [ TEXT ] , award [ TEXT ] , person [ TEXT ] Award.person = Person.name , role [ TEXT ] , episode_id [ TEXT ] Award.episode_id = Episode.episode_id , season [ TEXT ] , song [ TEXT ] , result [ TEXT ] | Character_Award : award_id [ INTEGER ] Character_Award.award_id = Award.award_id , character [ TEXT ] | Credit : episode_id [ TEXT ] Credit.episode_id = Episode.episode_id , category [ TEXT ] , person [ TEXT ] Credit.person = Person.name , role [ TEXT ] , credited [ TEXT ] | Keyword : episode_id [ TEXT ] Keyword.episode_id = Episode.episode_id , keyword [ TEXT ] | Vote : episode_id [ TEXT ] Vote.episode_id = Episode.episode_id , stars [ INTEGER ] , votes [ INTEGER ] , percent [ REAL ] |
-- -- Write down the summary of episode whereby it has crew members that are not included in the credit list.

SELECT T1.summary FROM Episode AS T1 INNER JOIN Credit AS T2 ON T1.episode_id = T2.episode_id WHERE T2.credited = 'false';