January 2007 

- Robin's sister Katie visits New York and the gang all visit the Empire State Building. [212 First Time In New York]​

- Robin tells Ted she loves him for the first time. [212 First Time In New York]​

February 2007

- 4th. Superbowl Sunday, Ted and the gang attend Mark's funeral, who worked at the bar but none of the gang remember him. They have plans to watch the superbowl afterwards but they end up staying so late they run out of time.  [214 Monday Night Football]​

- 5th. Ted and the gang do their best to avoid the score so they can watch the Super Bowl, they fail but watch the game anyway [214 Monday Night Football]​

- Ted misses his flight to Chicago and so misses his interview for a architecture firm in Chicago [215 Lucky Penny]

- Lily stars in a play which everyone hates, Barney gets revenge on her by doing his own play called "Suck It, Lily", Marshall gives the second slap of his slap bet with - Barney. [216 Stuff]​

- Ted and Robin decide to move in together. [216 Stuff]​

- Marshall's Pontiac Fiero breaks down just before it reaches 200,000 miles. [217 Arrivederci Fiero]​
March 2007​

- ​Ted and Robin nearly move in together but eventually decide not to. [218 Moving Day]​

- Marshall and Barney argue over the number of days in the month. [8 months before 309 Slapsgiving]​

May 2007

- Marshall's Batchelor Party/Lily's Bridal Shower. [Dated as May 2007 in 219 Bachelor Party]​

- After Lily's involvement and realising they have no future together Ted and Robin break up. [Dating according to 220 Showdown, Events described in 222 Something Blue, Lily's involvement revealed in 417 The Front Porch]

- Barney goes on The Price is Right. [220 Showdown]​
- Marshall and Lily get married. They go on a honeymoon in Scotland. [221 Something Borrowed]​

June 2007

-  A few weeks after their wedding Lily and Marshall open their wedding presents and are confused when Ted's present doesn't appear to be there. [907 The Poker Game]

July 2007

- 23rd. Robin's birthday. She's sick with a cold but the gang spends her birthday with her. Lily makes her dress up and pinches her cheeks so she'll take a good group photo. They all eat chocolate cake in her bed and years later they remember it as a great night. [3 years ago from 2010 according to 518 Say Cheese]

- Ted walks in on Barney doing an underwater magic trick. [409 The Naked Man]

Between July-September 2007

- Robin goes on holiday to Argentina, which she spends mostly with Gael. Ted grows his break-up beard. [301 Wait for It. The exact dates of her trip are unknown but she left after her birthday on July 23rd and arrived back in September according to 518 Say Cheese and 301 Wait For It].

September 2007

 - Robin arrives back from Argentina with Gael. [301 Wait For It]​

- After getting really drunk Ted gets a butterfly tattoo. [301 Wait For It]​

 - 27th. Marshall tells Barney about the Slap Countdown website. [On the site pictured it says the slap countdown is in 55 days and we know the slap occurs on Thanksgiving, 301 Wait For It]​

October 2007

- Robin breaks up with Gael. [302 We're Not From Here]​

- Ted meets Trudy again and has an opportunity to have a threesome. [303 The Third Wheel]​

- Robin dates George and meets his son Doug, Ted dates a girl named Stacey but their relationship is sabotaged by Barney [304 Little Boys]​

- Ted dates a girl he met playing World of Warcraft, though 23 years later he'll have long forgotten her name and will refer to her as Blah Blah. [305 How I Met Everyone Else]​

- Marshall starts working at Nicholson, Hewitt, and West.  [306 I'm Not That Guy]

- Ted finds out there is a porn star with the same name as him. [306 I'm Not That Guy]

- Sometime in October. Robin dates sports presenter at Metro News 1, Curt Irons, something she'd later regret when they broke up.  [Mentioned as happening in October 2007 in 311 The Platinum Rule]​

- October 31st. Halloween. Marshall is still annoyed that Ted didn't apparently get him a wedding gift and dresses up as a wedding present, annoying Lily as they had planned on dressing up in matching Juno costumes. Ted on the other hand is still annoyed he didn't get a thankyou card for his wedding gift and dresses up as a thank you note, insteading of his usual hanging chad costume. This results in Naomi (aka The Slutty Pumpkin) not noticing him, and he doesn't see her either. [905 The Poker Game, Naomi makes a brief cameo during the flashback]

November 2007

- Marshall and Lily get an apartment in Dowisetrepla and when they apply for a mortgage Marshall finds out about Lily's debt [307 Dowistrepla]​

- Ted dates a chatty girl named Cathy. They break up when he realises how much she talks. Which is a lot. [308 Spoiler Alert]​

- Marshall gets depressed at the idea of not passing the bar exam and gets really drunk. The following morning Barney gives him some of his Stinsons Hangover Fixir Elixir to help him feel better. [918 Rally].

- Marshall passes the New York State bar exam and the gang go to teppanyaki restaurant Shinjitsu to celebrate. Ted brings his hippy girlfriend, Strawberry, who coats the chef in paint and screams that "meat is murder". [Marshall passes the bar exam in 308 Spoiler Alert. Attending the restaurant was mentioned in 518 Say Cheese. In Spoiler Alert Ted has just broken up with Cathy but in Say Cheese it says he attends it with Strawberry. It's very possible though that they had dinner at least a few days after finding out he passed the bar as in the first episode they immediately went to MacClarens and has champagne]

- 22nd. Thanksgiving at Lily and Marshalls home, At 3pm Barney gets his 3rd slap, Robin dates Bob, Robin and Ted sleep together. [309 Slapsgiving]​

December 2007

 - The gang join a gym but only go the first week. [310 The Yips]​

-  Barney gets the yips which is cured when he again sleeps with Rhonda "The Manmaker" French. [310 The Yips]​

- 31st. New Years Eve and again Ted brings a random girl whom he claims is the one (Emily). Needless to say she wasn't and at at Lily's 32nd birthday two years later he struggles to remember her name. [518 Say Cheese]​

​Unknown 2007

- Barneys brother James gets married to Tom.  [A year after 210 Single Stamina]

- Marshall, Lily & Ted dress up as C3PO & R2D2 and the robot Luke's uncle bought from the jawas. [704 Stinson Missile Crisis]​

- Sometime after May. Lily and Marshall run into Claudia and Stuart and Lily thanks them for the coffee machine they got them for their wedding, not knowing it was actually Ted who bought that gift and Stuart just switched the name tag. Claudia doesn't know this either and it makes her reconsider breaking up with Stuart. [Happened sometime after Lily & Marshall's wedding in May. 905 The Poker Game]