Every weekday, we bring you the Ad Age/iSpot Hot Spots, new and trending TV commercials tracked by iSpot.tv, a company that catalogs, tags and measures activity around TV ads in real time. The New Releases ran on TV for the first time over the weekend. The Most Engaging ads are showing sustained social heat, ranked by SpotShare scores reflecting the percent of digital activity associated with each one over the past week. See the methodology here.

Among the new releases: In addition to the usual disclaimer -- "Professional driver. Closed course" -- Fiat's new commercial starring Godzilla offers an extra level of transparency with a fleeting small-type disclosure that reads "Didn't actually happen" (ha!).

Today's TV Ad Highlights

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New Releases

Top new ads recently aired on national TV

FIAT: Godzilla

Network: ABC

Show: Resurrection

Primetime Airing: May. 4, 9:34 pm EST

GNC: Beat Average

Network: TBS

Show: The Big Bang Theory

Primetime Airing: May. 3, 9:27 pm EST

Macy's: Mother's Day Necklace

Network: Spike

Show: Bar Rescue

Primetime Airing: May. 4, 9:38 pm EST

Wells Fargo: Investment

Network: Golf

Show: PGA Tour Golf

Primetime Airing: May. 3, 9:45 pm EST

Gold Bond: Tingle' Featuring Shaquille O

Network: TNT

Show: NBA Basketball

Airing Date: May. 3, 3:35 pm EST

Most Engaging

Top ads by SpotShare for the past 7 days

Fruit of the Loom: Conductor

Online Views: 569,725

Social Actions: 19,009

SpotShare: 4.25%

Samsung Mobile: Everyday Better

Online Views: 1,599,955

Social Actions: 1,205

SpotShare: 2.36%

GoPro: Why Play Basketball?

Online Views: 382,256

Social Actions: 9,071

SpotShare: 2.17%

Yoplait: Taste-Off

Online Views: 942,945

Social Actions: 66

SpotShare: 1.26%

Apple iPhone: Powerful

Online Views: 234,540

Social Actions: 4,041

SpotShare: 1.07%

View top ads in real time at iSpot.tv

As always, you can find out more about the making of the best commercials on TV at Ad Age's Creativity.

Miss Friday's batch of Hot Spots? They're right here.