"If Only" by Maria Taylor When it made you sob: Season one, episode nine, "The Trip" Why it made you sob: During a flashback of Randall's karate class, Jack is asked to do push-ups with his son on his back to physically show his dedication to holding his son up throughout his life. The heartwarming moment is juxtaposed with a voiceover of Rebecca writing to William telling him why he can't meet Randall.