Choo Sung Hoon's daughter Choo Sarang spent some quality time with the 'Girls' Generation moms' on the latest episode of 'Superman Is Back'!

Although the ladies finally got the shy Sarang to open up to them after hours of playing, the new moms were disappointed when she refused to kiss them on the cheek. However, Sarang surprised everyone when she finally gave YoonA a kiss before she left, raising the ire of the fellow members!

Check out some of their clips below!

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Watch the full episode below!