Meagen Fay

Charlie's desperate to make sure Chelsea and Evelyn don't befriend each other following their first meeting.

In an attempt to avoid Chelsea's parents, Charlie undergoes a colonoscopy. However, she shakes things up when she flies them to Malibu for a visit.

When Marshall and Lily's wedding is not as they had envisioned it, Barney tries to salvage the special day.

Gabrielle revisits her past when old friends come to town; the Scavos learn more about their new neighbours.

Barney hires a stripper for Marshall's stag do, and Robin goes to Lily's bridal shower but finds her gift is out of place.

Amy joins Jonah for lunch with his parents and brother, but is caught off guard by their dynamic; Dina worries about being spontaneous when her new boyfriend surprises her at work; Garrett and the others create a game around the store's customers.