Spoiler Alert is decent, working at its best when Jim Parsons and Ben Aldridge are running purely on their terrific chemistry, but the trappings of its cancer narrative are decidedly conventional and some filmmaking choices hamper its inherent power. Though the true story basis provides an emotional center, the film is continually interrupted by unnecessary narration and sitcom-style cut-ins, as though it doesn’t trust Aldridge and Parsons are good enough actors to sell those notes themselves. That said, it’s hardly the boomer-humor doom piece its marketing suggests, even if the presence of Sally Field and Bill Irwin are more distractions than enhancements.