Episode is a type of Broadcast. Episode is related to Show. Show is a synonym of Demonstrate. Demonstrate is related to Demonstration. 
Sort is related to Organize. Organize is related to Arrangement. Array is a type of Arrangement. 
Broadcast <--IsA-- Episode <--RelatedTo--> Show <--Synonym--> Demonstrate <--RelatedTo--> Demonstration 
Sort <--RelatedTo--> Organize <--RelatedTo--> Arrangement <--IsA-- Array 