Mr. Gold drives past the border of Storybrooke with Emma and Henry in episode #213 "Tiny". Greg Mendell meets with Tamara at the edge of town in episode #219 "Lacey".
Anton joins the dwarfs at the end of episode #213 "Tiny". David and Mary Margaret take Emma to the hidden garden where Anton is growing more magic beans in episode #219 "Lacey". The destroyed crops is discovered in episode #220 "The Evil Queen".
From episode #113 "What Happened to Frederick".
Oliver bids his farewells to Tatsu and catches a ride on the back of a pickup truck in episode #312 "Uprising".
Julia and Quentin rescue Jane Chatwin from a trap tree shortly after arriving in Fillory in episode 1x13 "Have You Brought Me Little Cakes?".
The whole gang comes upon the old grave of Martin Chatwin in episode 1x13 "Have You Brought Me Little Cakes?".
A group of kids crash during a drag race and discover a strange meteor in episode 1x08 "Night of the Hawk". Savage meets with himself and later activates one of the meteors in episode 1x16 "Legendary".
The team raids the gang's camp to capture Stillwater but Jax is captured in the process in episode 1x11 "The Magnificent Eight".
Rip and Rory take the baby Martin Stein from his parents in episode 1x12 "Last Refuge".
Kendra briefly escapes from Savage's custody to get a message to the team and they arrive to rescue her and thwart Savage's theft of one of the meteors in episode 1x16 "Legendary".
The Legends and the JSA team up to steal a mysterious amulet from the nazis and then later they attempt to rescue Ray & Amaya from the bunker in episode 2x02 "The Justice Society of America".
The Legends travel to Mississippi during the Civil War to track down a the crashed pod of a time pirate and stop a zombie outbreak in episode 2x04 "Abominations".
The Legends arrive at the location of a aberration to find Jonah Hex about to be lynched by some goons of Quentin Turnbull in episode 2x06 "Outlaw Country".
Source: hushrules — Twitter
Rip Hunter pulls a gun on George Washington after being brainwashed by the Legion of Doom in episode 2x10 "The Legion of Doom". The Legends arrive on Christmas Eve to prevent Washington's death and save America in episode 2x11 "Turncoat".
Kinsey meets with a trust member and is taken away in their car in episode 8x14 "Full Alert".
Daniel is being driven to meet with General Kiselev by Captain Voronkova when they are stopped and the Russian military takes him into custody in episode 8x14 "Full Alert".
The chase ends with Mitchell being shot and Vala steels someone's car in episode 10x08 "Memento Mori".
Flynn and his cohorts shoot down Charles Lindbergh's airplane as he is finishing his transatlantic flight in episode 1x14 "The Lost Generation".
The leader of the Rowdy Three looks at the photo of Amanda they stole from Todd's apartment in episode 1x01 "Horizons". Amanda dances with the Rowdy Three and then runs away when they are attacked by the military in episode 1x08 "Two Sane Guys Doing Normal Things".
Ken and Bart drive away on the stolen bike after escaping the biker gang in episode 1x03 "Rogue Wall Enthusiasts".
Bart and Ken are driving down the road when they come upon a military roadblock in episode 1x08 "Two Sane Guys Doing Normal Things".
Raimy is called to a crime scene where an old skeleton is found in a swamp in episode #101 "Pilot".
The team intercepts the antimatter shipment to stop the explosion in episode #102 "Protocol 6".