Climactic

3 clues
Culminating
Like exciting movie scenes
Like the penultimate scene in a movie, often
Similar answers:
Acclimate
Acclimatise
Anticlimactic
Anticlimax
Anticlimaxes
Battenpractice
Battingpractice
Bestpractice
Brainpractice
Captheclimax
Causticlime
Chesstactic
Climactic
Climat
Climate
Climatecanary
Climatecedebate
Climatechange
Climateexchange
Climategate