The conversation between human and AI assistant.
[|Human|] Select an appropriate data structure for the following scenario.
[|AI|] One appropriate data structure for storing different episodes of a TV series indexed by their ID would be a **hash table** (or dictionary) where the keys are the episode IDs and the values are the episodes themselves or their information. Using a hash table allows for the efficient retrieval of episodes or their information when given their respective ID.
[|Human|] 
Select an appropriate data structure for the following scenario.