Puzzles, Siblings, Mysteries (S02E15)

S02E01 Standardization, Dogs, Procrastination S02E02 Food Captain, Names, Action Star S02E03 Hip Hop, Intimacy, Hot Dogs S02E04 February, Concerts, Monsters S02E05 Grocery Stores, Society, Parents S02E06 Crows, Anime, Parties S02E07 Bullying, Bedbugs, Kissing S02E08 Second Families, Sacagawea, Linda Hamilton S02E09 Uniforms, Therapy, Reboots S02E10 Smoking, Movies, Cooking S02E11 Outer Space, Child Labor, The Alphabet S02E12 Cereal Mascots, Categorization, Cult Classics S02E13 Dinner Parties, Variants, Men S02E14 Stereotypes, Tardiness, Reality TV S02E15 Puzzles, Siblings, Mysteries S02E16 Cut for Time: Secret Agenda Items