"Breaking Bad" actor Bryan Cranston left a surprising mark in this year's Comic-Con by way of a spontaneous and epic "mother" joke.

For Crackle's fresh animated series "Supermansion," the Emmy-award winner for Outstanding Lead Actor in a Drama Series joined the Nerd HQ Conversations for a Cause panel affair held in downtown San Diego, California's New Children's Museum at the same dates as Comic-Con 2015, where he gave an unexpected and appaling response to an eager "Breaking Bad" and Walter White fan's query, as per E! News.

According to Entertain This, the young man, who was pretty giddy with excitement, stood up to raise his question. He's from Albuquerque, New Mexico, where the actor filmed his award-winning drama series "Breaking Bad," which already wrapped up in 2013.

The male fan, who was pretty eager to shoot his question, said that his town has many cool places since he grew up there; he then went on to ask: "How was it? 'Cause, it's my hometown, so I wanna know, how'd you like it? Did you have fun there?"

And Cranston, without hesitation, dropped the bomb replying, "Yeah, I'd go and visit your mother once in a while."

His answer elicited laughter from the crowd, together with a lot of "OHHHHHHs" and a thundering applause.

"Oh, that was a little mean!" the fan voiced out, as the audience continued to howl in hilarity.

Cranston's reaction: he deliberately dropped the mic on the floor.

However, the fan seemed not to have taken the joke seriously since he was also seen laughing his heart out to the actor's comment and comedic gesture.

CNN detailed that after the incident took place, the video became viral and Bryan Cranston's one-liner has been trending ever since.

Check out Bryan Cranston's viral video below.