Next week on Grey's Anatomy, a gas tanker explodes on a highway, resulting in multiple injuries.

Jo and Meredith try to help a frantic woman, whose child has a mysterious illness. Sarah Chalke (Scrubs) guest stars in the role, and from the looks of the promo below, it will be a powerful one.

Watch ABC's first preview for "Can't Fight This Feeling" and see what you think of it below:

It's the story "every mother needs to see." That teaser alone tells you how emotional it'll get.

Meanwhile, Alex is forced to work with Jo's boyfriend, which should be interesting and fun.

For a full rundown on all of last night's events (it's a boy!), read our Grey's Anatomy review of "Idle Hands." Then share your comments and predictions for next week with us below ...

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.