Watch "Modern Family" season 5 episode 1 live on Wednesday, September 25 at 9 p.m. ET on ABC. If you miss the Dunphy and Pritchett families on the original air date, you can watch the "Modern Family" season 5 premiere online free on the ABC website. The one-hour premiere is twofold, kicking off with "Suddenly, Last Summer" followed by "First Days".

"Suddenly, Last Summer" is the first half-hour of the "Modern Family" season 5 premiere. The latest episode follows the Dunphy and Pritchett families soaking in the last remnants of summer. In an attempt to have a week of no children, Claire kicks into organizational overdrive to rearrange the kids' activities while Phil goggles at the "Beautiful Mind" scene in his jean hot pants. Meanwhile, Jay and Gloria help Manny get ready for his first solo trip to Colombia.

The second half-hour of the "Modern Family" season 5 premiere, "First Days", takes place in back-to-school season after all of the summertime hoopla ends. It's a day of firsts for the Dunphy and Pritchett clan. Little Luke and Manny have their first day of high school. Will Luke still surprise as the most misguided mastermind? Will Manny's underappreciated romanticism finally find its bearings in a new setting? While the kids head back to school, the parents find themselves in new environments, as well. Claire starts her new job at Jay's company, Cameron becomes a substitute teacher (costumes are involved, undoubtedly) and Mitch attempts to get Lily ready for preschool ahead of an important work meeting. The "Modern Family" premiere is likely to feature its heap of witticisms, dysfunction and sneaking heartfelt moments.

ABC has released a few "Modern Family" season 5 promos to give anxious fans a glimpse into what they can expect in the one-hour premiere. The promo teases that "so much will change with just one word: 'Yes.' But what's the question?" Watch the preview below and take your stab at what the cryptic question could be. One speculation is that Cam and Mitchell will officially tie the knot. Could the "Modern Family" premiere lead to wedding bells? Jesse Tyler Ferguson leaked a teaser photo ahead of the premiere that highly resembles a newlywed couple at the altar.

One "Modern Family" cast member in particular is scheduled to leak behind-the-scenes photos of the show's Los Angeles set on Wednesday ahead of the premiere. Nolan Gould (Luke Dunphy) is taking over the Huffington Post TV Instagram account for the day. Follow the account (@HuffPostTV) on Instagram to track "Modern Family" premiere teasers.

Modern Family Nolan Gould (Luke Dunphy) will take over the HuffPostTV Instagram account Wednesday ahead of the "Modern Family" season 5 premiere to leak behind-the-scene photos and teasers.

The upcoming episode closely follows the show's exciting Emmy win for Outstanding Comedy Series, making it a fourth consecutive win. The ABC comedy also opened to strong numbers in its broadcast syndication premiere, according to Variety. ModFam enthusiasts can welcome back their much loved fictional families Wednesday night in a premiere that is likely to continue the show's booming streak. The "Modern Family" season 5 premiere airs tonight at 9 p.m. ET on ABC.