Empirical evidence links sensitive parenting behavior to positive developmental trajectories in children, whereas parental intrusiveness, in contrast, has been found to increase the risk of socio-emotional problems in children of various ages. However, most studies investigating the effect of parenting behavior have been conducted with mothers. Thus, little is yet known about fathers' role in child development and if mothers' and fathers' parenting behaviors are linked to child socio-emotional outcomes in similar or different ways. To date, findings are ambiguous, and this is why more studies are needed. The present study examined associations between mothers' and fathers' observed sensitivity and intrusiveness and children's internalizing and externalizing problems as reported by parents and by children themselves. The sample compromised 52 mothers, 41 fathers and their preschool children. Results from hierarchical regression analyses showed a negative association between fathers' intrusiveness, at low levels, and children's internalizing problems. This result was unexpected. However, in line with this finding, a number of recent studies suggest that when fathers challenge and push their children's limits, it buffers against emotional problems such as anxiety. The present study highlights the importance of a continuous investigation into fathers' potentially unique contribution to children's socio-emotional development. No other associations were identified between mothers' and fathers' parenting behaviors and children's internalizing and externalizing problems. Most likely, because this study was conducted with a low-risk sample, where children were in general well-functioning.