Star Trek: Insurrection1998

Data:
I seem to be missing several memory engrams. [Geordi shows several microchips he is holding] There they are.

Jean-Luc Picard:
Data, what's the last thing that you remember?

Data:
[singing] His nose should pant, and his lip should curl--

Jean-Luc Picard:
Uh, from the mission.

Data:
I was in an isolation suit gathering physiometric data on the Ba'Ku. My last memory is going into the hills following some children.