Phil's Ammu-Nation commercial
Observed in official mediaIn-game TV ad in Trailer 2 (2:09), watched by Jason on a couch. One of several fictional TV ads in the game.
Source: Trailer 2
GTA VI World
From in-game commercials to TV news shots, Leonida has its own media. This page lists only shows and broadcasts named or clearly shown in official material, and keeps fictional broadcast content separate from fan speculation.

In-game TV ad in Trailer 2 (2:09), watched by Jason on a couch. One of several fictional TV ads in the game.
Source: Trailer 2
In the Extended Look, a TV plays commercials in the background; the player can watch with the room visible or switch to a full-screen view.
Source: Extended Look (preview coverage)
Rockstar hired an external animation studio for multiple episodes of an animated series for in-game TV; previewers described it as similar to Family Guy. Studio name and episode count undisclosed.
Source: Preview coverage (press)
TV news network; graphics visible in Trailer 1 news broadcasts.
Source: Trailer 1 (fan-spotted)
Spanish-language news network (division of Megamundo); Trailer 1 shows it covering a Vice-Dale County prosecution report.
Source: Trailer 1 (fan-spotted)