On Thursday, for his final round, Luna brought it home by opening the show with mariachi music, giving Kimmel co-host Guillermo an executive producer promotion ("I don't know if I can do that, but I just did,"), and delivering a final must-watch monologue appealing to the audience for unity, not division.

While filling in for Kimmel this week, the actor-director got the attention of Laura Ingraham, who said she’d never seen the show before.

On Monday night, award-winning actor-director Diego Luna became the first Mexican to host a late-night talk show in English. Filling in for the titular “Jimmy Kimmel Live!” host, who was out on vacation, Luna took over as the special guest host of the late-night comedy show and seized the opportunity to speak up for L.A.’s immigrant community.