in What movie did the reindeer have to be fitted with replacement antlers?

In the movie "Rudolph the Red-Nosed Reindeer," the reindeer are fitted with replacement antlers after Rudolph's unique nose causes him to be shunned by his peers. The story follows Rudolph and his journey to acceptance, highlighting themes of individuality and self-acceptance. The iconic stop-motion film, which first aired in 1964, remains a beloved holiday classic.