Discovery Plus offers a 7-day free trial for new subscribers, allowing unlimited access to its full library of shows, documentaries, and exclusive content. This trial is available for both the ad-supported and ad-free subscription plans. To start the free trial, sign up on the Discovery Plus website or app, select a plan, create an account, and enter payment details; no charges are incurred if the subscription is canceled before the trial period ends. The free trial provides a risk-free way to explore channels like HGTV, Food Network, TLC, Animal Planet, and more before committing to a paid subscription.