Movies Logo
The 21-Day Theory
Drama

The 21-Day Theory

Using the 21-Day Theory, a determined woman pursues a wealthy man to prove he's straight—but the truth defies her expectations.

OverviewCreditsWatchReviewsSeasonsImagesVideosRecommendationsSimilar
The Mod Squad

The Mod Squad

1968

Firehouse

Firehouse

1974

Jonny Zero

Jonny Zero

2005

Kayamath

Kayamath

2007

A Man Called Sloane

A Man Called Sloane

1979

Virtues Of Harmony II

Virtues Of Harmony II

2003

The Flying Doctors

The Flying Doctors

1986

Commander in Chief

Commander in Chief

2005

Quantum Leap

Quantum Leap

1989

Theme Park

—

Opposite Sex

Opposite Sex

2000

A Haunting

A Haunting

2005

11 Cameras

2006

New York Undercover

New York Undercover

1994

State of Play

State of Play

2003

Spooks

Spooks

2002

Whiskey Echo

2005

Dirty Sexy Money

Dirty Sexy Money

2007

Forbidden Love

Forbidden Love

1999

Criminal Minds

Criminal Minds

2005