It’s hard to overstate how much I enjoyed this film; it represents a high point in British humor. This was my introduction to Monty Python, though I was already familiar with their reputation, and I found the movie delightful. The plot, which centers on a parody of Arthurian tales about searching for the Holy Grail, serves mainly as an excuse for a series of jokes, and each one seems better than the last. I’m not deeply acquainted with the group's members, but I recognize many talented British comedy performers in the cast, including John Cleese, Terry Jones, Graham Chapman, Terry Gilliam, Michael Palin, and Eric Idle. They are all funny on their own, but they truly shine when working together. There are several scenes that stand out, like the sequence with the witch trial, the battle with the relentless knight, or the encounter with those knights who keep repeating "Ni." The film isn't lengthy, but it’s absolutely worth watching for its comedic situations and hilarious dialogue. I thought the conclusion was a bit weaker than what came before, though that doesn't diminish the movie's overall quality. From a technical standpoint, nothing particularly stands out. There’s no attempt at historical accuracy or recreating medieval times, and thankfully there isn't any expectation of it. The costumes and props are clearly artificial but they work well enough for the story, and the sets—castles and other locations—are interesting too. Special effects and visuals aren’t particularly noteworthy either. Still, it’s a comedy that has aged remarkably well.

Source on TMDB