The format Title_Ep_XX_Lang.mp4 is standard for digital archiving and file-sharing communities.
The "Let's Go" series is a popular English language learning program for children published by Oxford University Press. LetsGo_Ep_03_ITA.mp4
This could be a specific file from a fitness program, a gaming walkthrough, or a fan-subbed anime/cartoon. The format Title_Ep_XX_Lang
The query appears to be a specific video file, likely an episode of a series or a promotional video with Italian (ITA) subtitles or audio. a gaming walkthrough
"Let's Go" is a common title for travel vlogs, reality competitions, or adventure shows.