On this episode of Don't Tell Mum, Kristen, Jake and Rachel talk all things dreams - the good, the bad, the scary. Jake tells the girls about a time him and the characters from community made beautiful mouth noises together, the new "Shout Out" segment makes its debut, Kristen talks about a recurring dream and is frightened even more by Jake's connecting comment, and Rachel reveals (or should we say, revealed) maybe a little too much in this week's secret...