From Peacock's terms, looks like the deal goes through September
Terms & Conditions: This Peacock promo code (the “Code”) grants you access to Peacock’s ad-supported video-on-demand offering (“Peacock Premium”) subject to all applicable terms and conditions, for 12 Months at $1.99/month or 1 year at $19.99/year (your “Access Period”) (currently a $4.99/month or $49.99/year retail value). This Code is valid August 29, 2022 – September 30, 2022 and is subject to early termination (the “Offer Redemption Period”). Code becomes void once redeemed or expired and must be redeemed by the last date of the Offer Redemption Period.