The first video here, happens at the start of the show. Stage and house lights go dark. and the video plays.
When the video completes, the host takes the stage and the show-lights come up.
When the video completes, the host takes the stage and the show-lights come up.
Each performer has their own intro video. Once the comic finishes their act, they leave the stage, the lights go dark, and the next intro video plays. The comic comes up as the the show lights are brought back up.