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With Marilyn: The Musical seemingly kaput, the characters on Smash find themselves reduced to slightly less cushy gigs in Monday's all-new episode.

Angelica Huston Reveals Her Upcoming Musical Number

Titled Hell on Earth, the hour features Ivy returning to her former stomping grounds while Karen tries her hand at that wild world of commercials. And to prove just how difficult it can be to create a 30-second spot, Smash highlights the hottest trend in Hollywood right now: motion capture technology!

Megan Hilty Teases More Drama For Ivy

Although as you can see in this ETonline exclusive sneak peek clip, the "before" doesn't quite capture the magic of the "after."

Smash airs Mondays at 10 p.m. on NBC.