Mr. Heart (S03E12)
S03E12
On Valentine's Day, Echo falls ill, prompting Adam to shrink himself down in an attempt to combat her cold. Determined to help, he embarks on a miniature adventure within her body, navigating through the challenges posed by the illness to restore her health and bring back the holiday spirit.
Show
Mr. Young
Episode
S03E12
Air Date
Feb 14, 2013
Season 3 Episodes
S03E01
Mr. Candy
S03E02
Mr. & Mrs. Roboto
S03E03
Mr. Magic
S03E04
Mr. Apartment
S03E05
Mr. Hyde
S03E06
Mr. Elf
S03E07
Mr. Time
S03E08
Mr. Pickles-In-Law
S03E09
Mr. Sci-Fi
S03E10
Mr. Tutor
S03E11
Mr. Club
S03E12
Mr. Heart
S03E13
Mr. Sasquawk
S03E14
Mr. Slumber Party
S03E15
Mr. Double Date
S03E16
Mr. Love Letter
S03E17
Mr. Freshman
S03E18
Mr. First Impression Part One
S03E19
Mr. First Impression Part Two
S03E20
Mr. First Impression Part Three
S03E21
Mr. Memory
S03E22
Mr. Kidd
S03E23
Mr. Court
S03E24
Mr. Budget
S03E25
Mr. Interview
S03E26
Mr. Spin-Off
S03E27
Mr. Finale (1)
S03E28
Mr. Finale (2)