What to Watch This Weekend: Mad Men Is Back, Shameless Finale, Vikings Showdown and More

Saturday Night LiveOn TV this weekend: The Mad Men (and women) are back in ad-making action, Mike & Molly star Melissa McCarthy presides over Saturday Night Live for a second time, the NCAA Basketball Tournament‘s Final Four face off and Shameless, Californication and House of Lies wrap for the season. As a supplement to TVLine’s original features (linked within), here are 15 programs to keep on your radar.

SATURDAY, APRIL 6

6 pm NCAA Basketball Tournament Final Four (CBS) | As the contest draws to a close, Wichita State goes up again Louisville. In the evening’s second match-up, which is slated to begin at 8:30, Syracuse battles Michigan.

8 pm Doctor Who (BBC America) | The Festival of Offerings is in full swing on the rings of Akhaten. Clara meets the Queen of Years, but something’s stirring in the pyramid, and a sacrifice must be made.

9 pm Orphan Black (BBC America) | With a body in her car and nowhere to turn, Sarah continues her con. And, oh look – there’s another woman who looks just like her! (Watch a video preview.)

9 pm Smash (NBC) | Time slot premiere: Tom enlists Liza Minnelli to plan a surprise for Ivy, while Richard asks Eileen to spend less time at work and more time with him.

11:30 pm Saturday Night Live (NBC) | Melissa McCarthy returns to host, with musical guest Phoenix.

SUNDAY, APRIL 7Mad Men (Season 6)

8 pm Academy of Country Music Awards (CBS) | Blake Shelton (The Voice) and Luke Bryan host the three-hour awards ceremony, which features performances by Sheryl Crow, Brad Paisley, Garth Brooks, Kelly Clarkson, Stevie Wonder, The Band Perry, Lady Antebellum, Taylor Swift and more.

PREVIEW | Mad Men Season 6 – Can You Guess What’s Going on in 10 Premiere Photos?

9 pm Mad Men (AMC) | Two-hour Season 6 premiere: Don and Megan take a tropical trip, Peggy handles a commercial crisis and Roger experiences loss.

9 pm Game of Thrones (HBO) | It’s an eventful night for the Stark girls: Sansa says too much, and Arya runs into the Brotherhood Without Banners. (And for those who’ve been waiting, Jaime Lannister returns.)

9 pm Chopped All-Stars (Food Network) | Season 3 premiere: In Round 1, Food Network and Cooking Channel favorites Nadia G, Jeff Mauro, Gabriele Corcos and Sunny Anderson brave the baskets as they battle to be the last chef standing.Episode 312

9 pm Shameless (Showtime) | Season 3 finale: Lip is graduating from high school, and Frank wins a bet. (Get scoop!) (Yep, already renewed.)

9 pm Army Wives (Lifetime) | Jackie’s son comes home with some surprising news; Holly is disappointed when she can’t talk to Tim after his squad is ambushed.

9:30 pm The Cleveland Show (Fox) | Arianna the Bear is rude to Donna, and it somehow leads to Cleveland being accused of murder.

RELATED | Vikings Renewed for Season 2

10 pm Vikings (History) | Ragnar, weak and still hurt, engages the Earl in a fight to the death after it comes to light that Haraldson ordered Rollo tortured.

10 pm House of Lies (Showtime) | Season 2 finale: Marty’s dealings lead to unintended consequences. (Yep, already renewed.)

10:30 pm Californication (Showtime) | Season 6 finale: Hank, Charlie and Marcy all make big decisions – and at least one of those momentous choices involves marriage. (Yep, already renewed.)

Hit the comments with your must-see picks from tonight’s lineup!