[s3e15] Mona-mania! May 2026

The episode is often highlighted in rewatch discussions for its high-stakes intellectual battle and the deepening of the "Toby is A" storyline.

The central conflict is a "Quiz-Off" between Spencer and Mona for the team captaincy. Despite Spencer's early lead, she "chokes" on the final question regarding the dissolution of the Soviet Union, allowing Mona to win. [S3E15] Mona-Mania!

“Spencer and Mona went head-to-head in the Ultimate Combination Quiz-Off and Bun-Off (Updo versus Half-Up).” WordPress.com · 13 years ago The episode is often highlighted in rewatch discussions

Aria discovers pages from Alison’s diary are missing from her hiding spot (her boots). She begins to suspect her father, Byron Montgomery , of being involved in Alison's disappearance, especially after seeing him act aggressively toward Meredith . “Spencer and Mona went head-to-head in the Ultimate

Pretty Little Liars Recap: “Mona-Mania” (Season 3, Episode 15)

Hanna confronts Lucas, who admits he has been acting as a "gopher" for the A-team because Mona was blackmailing him over selling test answers.