"Fat Chance" (S1E2) likely refers to either the Kickin' It episode where the gang helps a janitor return to sumo wrestling, or the Fat Friends episode focusing on Alan's health and marital struggles. Another possibility is the 2016 TLC reality series following Vanessa's weight loss journey. Detailed episode summaries can be found on TV Guide . Fat Chance - Kickin' It (Season 1, Episode 2) - ‎Apple TV