The phrase "climactic sequence" refers to the most important and intense part of a story or event. It is the part where things reach their highest point of excitement, tension, or action. Full definition
There isn't too much surround usage, as the film is primarily dialogue, but there is some life to the tracks particuarly in climactic sequences. (dvdizzy.com)
A murder in the surf reminds so much of Mann's climactic sequences from Manhunter that it could be a lost scene from that film. (filmfreakcentral.net)
That made the whole climactic sequence a mess and pretty stupid seeing her up on the balcony. (crunchonthis.com)