Incident (7)
'incident' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for episode that I've seen before include "Instalment; event" , "Incident in a story or part of a serial" , "Part of a broadcast serial, say" , "Incident or event as part of sequence" , "Instalment; incident" .)
'incident' is the definition.
(an incident is an event or happening)
This is the entire clue.
(Other definitions for event that I've seen before include "Race contest; occasion" , "Notable occasion" , "Function" , "riding competition" , "contest in programme" .)