The first season of Bluey contains 52 episodes.
In Australian listings, the programme is usually organised into “series” rather than “seasons,” so this is often described as Series 1. Its broadcast was split into several blocks: 26 episodes aired daily during October 2018, followed by 25 more beginning on 1 April 2019.
That totals 51 episodes, but the first series also includes a final Christmas special, “Verandah Santa,” which aired on 12 December 2019. Adding that episode brings the complete first-season total to 52.
The number is easy to confuse with 26, because the first October block contained exactly 26 episodes, and with 39, which can appear when partial broadcast or streaming batches are counted. Later Bluey series also used staggered releases and specials, so episode totals should be checked against the complete series list rather than a single platform’s initial batch.