Lily teaches Ted's boss a lesson, and Barney does some educating of his own with Marshall's law professor.

Ted finds it hard to fire his former boss, despite the abuse he receives from him. Meanwhile, Barney makes Lily a strange but tempting proposal.

During a flashback, the gang wonders how the Ted, Robin and Barney love triangle will play out; Barney accepts challenges from Robin and Lily.

Graham is joined by reality star and businesswoman Kim Kardashian, Emmy and Tony Award-winning actress Sarah Paulson, Breaking Bad star Bryan Cranston, and actress and singer Rachel Zegler; Little Simz performs.

Stewie receives an STD from Brian; Peter and the guys are in an important fight for their booth at The Drunken Clam.

Larry's therapist accuses him of overstepping his boundaries; Susie gets suspicious of Jeff; Larry bribes an usher at a funeral.

Carrie becomes upset when she learns Doug invited the Sackskys over, but she learns the couple is divorcing. The neighbours offer Doug and Carrie use of their time-share, while Arthur contracts a rash.

Arthur suspects that a popular comic strip is based on his life, while Doug attempts to avoid confrontation when the new neighbours' dog keeps them up at night with its barking.

After having dinner with their annoying neighbours, Doug gets involved in a pyramid scheme. Tim attempts to convince him what a great idea the scheme to sell water filters is.

When news spreads of Bryan Cranston and Aaron Paul's visit to Philadelphia to promote their Dos Hermanos mezcal brand, the guys decide to pitch them their own liquor; the gang takes to the skies to get a taste of the glamorous high life.

A hurricane destroys the backyards of the Hefferenans and the Sackskys. Carrie doesn't like the idea of a combined backyard, but their neighbours have other plans.

Sabrina, in the middle of final exams, is held hostage by a magical troll she inadvertently agreed to marry.

George and his father celebrate an alternative holiday; Kramer goes back to work after a long bagel strike; Elaine accidentally gives out a fake phone number.

Kramer's numbing experience at the dentist wins him a spot in a charity concert, and George is accused of stealing.

Elaine wins her boss a chance to walk in the Macy's Thanksgiving Day Parade; George buys the car of a celebrity.

Given a familiar label-maker, Jerry becomes suspicious of the friend who gave it to him; Kramer and Newman play a game of Risk.

Sheridan prepares a counteroffensive; Londo plots against evil Emperor Cartagia; Ivanova and Lorien search for the First Ones.

Jerry doubts his dentist's religious conversion; Kramer and Mickey fight over a double date; Elaine undermines a couple's chances of adoption.

Mulder becomes trapped in a car by an apparently deranged man, as Scully tries to determine the cause of his illness.

A lice outbreak at school forces Rallo to cut his hair; Cleveland watches Freight Train and Cookie's house for a weekend.