1
general::
thrilling
very exciting
gripping
a gripping film, story etc is very exciting and interesting
dramatic
used about something that is exciting to watch or hear about as it happens:
• the dramatic events of the past week
exhilarating
making you feel happy, excited, and full of energy:
• an exhilarating ride
nail-biting
very exciting, especially because you do not know what is going to happen next:
• a nail-biting finish
Longman-Thesaurus