1) Broadcast 2) Episode 3) Episode on telly 4) French word used in English 5) Inauguration 6) Installment 7) Investiture 8) Official welcoming 9) Program 10) Programme 11) Reception 12) Serial part Found on https://www.crosswordclues.com/clue/instalment
[Noun] Plural form: instalments. One part of a series, for example, in television or film. Example: Janet could not wait to see the latest instalment of EastEnders.
Found on http://www.bbc.co.uk/skillswise/glossary/