Tv guide listings for tonight

On 21 September 2026, major broadcast networks finalized their primetime lineups for the evening, marking the start of the fall television season. NBC is leading the night with the highly anticipated season premiere of its flagship procedural drama, which begins at 8:00 PM, followed by a new unscripted competition series at 9:00 PM. CBS has opted for a double-feature of its long-running reality franchise, airing back-to-back episodes starting at 8:00 PM to capitalize on viewer retention. Meanwhile, ABC is dedicating its evening to a special documentary presentation regarding space exploration, scheduled for 9:00 PM, preceded by a sitcom block. Fox is focusing on live sports coverage, with a marquee matchup beginning at 8:15 PM that is expected to dominate the demographic ratings. Viewers are encouraged to check their local cable providers or digital streaming interfaces for specific channel assignments, as regional news broadcasts may preempt the start of these programs in certain markets. This schedule reflects the industry's ongoing shift toward balancing traditional episodic content with high-stakes live event programming.