Danger 5 go back to World War II in an attempt to stop Hitler from changing the fabric of time. Ignoring the perils of messing with the space-time continuum, Tucker is dead set on changing the course of history for his own selfish motives while Pierre suffers the consequences. Jackson and Ilsa have a run-in with their past selves and share advice on the future. Meanwhile Hitler is holding Colonel Chestbridge hostage in his mountain lair.
Fiona's plans to announce her marriage unravel. Mickey asks for Lip's help.
The boys attempt to improve emergency response times by creating their own ambulances. Daniel Ricciardo is a star in a reasonably priced car.
Greg Nicotero and a surprise cast member discuss the “What Happened and What's Going On” episode.
The midwives face one of their busiest nights to date, whilst Sister Winifred concentrates her efforts on the prostitutes of Poplar. Elsewhere, cracks start to appear in Trixie and Tom Hereward's relationship.
Liv, Maddie and their friends confront a fellow schoolmate who has been giving them numeric ratings based on looks.
Tina teams up with Darryl to win the Cupid's Couple contest at the school dance. Meanwhile, Linda plans a full week of ambitious Valentine's Day activities for her and Bob.
The gang has less than a week to teach first-time music students how to play in a band in anticipation of the A&A Music Factory's grand opening.
Second Base Orange, CA In a first-ever re-rescue, Jon Taffer returns to Second Base Bar & Grill to find a disengaged owner who has let the bar deteriorate. Will Jon save this bar once again?
John Oliver discusses the growing issues of pharmaceutical companies marketing directly to and through doctors. Also, since RadioShack has filed for bankruptcy, John has created a farewell message for them. Plus, the online sessions by Ecuadorian President Rafael Correa to address the public aren't going too well.
With the gang now powerless, Felix has devised his own plan to rescue Andy. He's going to ask Alice to swap him for Andy. Will the rest of the gang realise in time?
Hannah is confronted by her classmates after leaving a non-apology apology letter in their cubbies. After being rejected at yet another job interview, a frustrated Shoshanna spends a day with Ray. Creative and romantic tensions between Marnie and Desi reach a breaking point.
Three's a crowd as Sean and Beverly are forced to consider a writing partnership with Tim, while Carol and Helen discover they have a bedfellow in common. Meanwhile, Matt receives a lucrative yet dubious invitation.
Brie confesses that she doesn't use protection, which could be the end of the Bella twins; Nattie is has to to work with TJ regardless of their separation; Ariane's attempt to find out why Alicia hates her ends in a disaster.
Patrick attempts to find out if he can still be friends with Richie. Patrick starts to question his relationship with Kevin. Agustin spends a day at a shelter with Eddie.
Alex and Tina fly back to Houston to pack up her things. During a night of drinks and dancing, Tina finds herself unexpectedly jealous of Alex. Back in LA, Brett whisks Michelle away for some much-needed intimacy.
We travel from prehistoric Austrailia thru the Aboriginals to the British colony in 1790 thru 1808