Ep 21. Sleeper

In Modern Family season 5 episode 21 titled "Sleeper," the Pritchett-Dunphy-Tucker clan is excited to welcome home Alex Dunphy, who returned from a humanitarian aid trip in Africa. However, their joy is quickly dampened when they discover that she has brought back an unexpected guest with her – a boy named Dylan, who is now her boyfriend.

While the family struggles to adjust to Dylan's presence, Jay and Gloria are dealing with their own issues. Gloria has been having trouble sleeping, which is causing her to act irritable and irrational. Jay suggests she try sleeping in a different room, but this only leads to more tension between them.

Meanwhile, Phil and Claire are on a mission to get Luke to finally confess to a prank he played on Phil months ago. The prank involves a "sleeper" that Phil believes Luke has planted in their house, but they can't seem to find it. As they search the house, they run into various obstacles, including Claire's obsession with a puzzle and Phil's inability to resist making puns.

Elsewhere, Cam is dealing with his own personal crisis. He has been asked to teach Lily's dance class, but he is struggling to come up with a routine that will impress her classmates. With the help of Mitchell, he tries to find inspiration from various sources, including a Beyoncé video and Lily's own childhood video.

As the episode progresses, the various storylines begin to intersect and collide, leading to some hilarious and heartwarming moments. The family comes together to support each other, and even Dylan manages to win them over with his charm.

Overall, "Sleeper" is a fun and engaging episode of Modern Family that showcases the show's trademark humor and heart. Fans of the series will enjoy seeing the characters in new and unexpected situations, and will appreciate the way the episode ties together various storylines into a satisfying conclusion.