The Time Warp of Dr. Brain
The Time Warp of Dr . Brain is the fourth installment of the educational game series "Dr . Brain" by Sierra On-Line . 
<triplet> The Time Warp of Dr. Brain <subj> educational game <obj> genre <subj> Dr. Brain <obj> part of the series <subj> Sierra On-Line <obj> developer <triplet> Dr. Brain <subj> Sierra On-Line <obj> developer