The Scottish actors and longtime friends try to remember all the movies they've been in while singing along to Bay City Rollers and The Crystals.

The Scottish actors and longtime friends try to remember all the movies they've been in while singing along to Bay City Rollers and The Crystals.

The power couple combine their passions as they sing along to Ciara's bangers and hit the football field for a climactic pass.

The power couple combine their passions as they sing along to Ciara's bangers and hit the football field for a climactic pass.

From Stevie Wonder to DMX—and even Nickelback—the rapper/actor and comic riff through their playlist and a round of Black Facts.

From Stevie Wonder to DMX—and even Nickelback—the rapper/actor and comic riff through their playlist and a round of Black Facts.

This duo celebrate their longtime band by covering songs from other sibling acts—plus, Michael teases Kevin for his years of fashion fails.

This duo celebrate their longtime band by covering songs from other sibling acts—plus, Michael teases Kevin for his years of fashion fails.

Hillary and Chelsea turn to their gutsy pal Amber for support as they sing along to empowering anthems--with an assist from Vanessa Williams.

Hillary and Chelsea turn to their gutsy pal Amber for support as they sing along to empowering anthems--with an assist from Vanessa Williams.

The iconic Chicago band goes on an adventure with megafan Nikki, featuring a cameo by the great Mavis Staples and a Ferris Bueller homage

The iconic Chicago band goes on an adventure with megafan Nikki, featuring a cameo by the great Mavis Staples and a Ferris Bueller homage

In space, no one can hear you scream—but can they hear you sing “Spice Up Your Life“? The cast of the Apple Original is determined to find out.

In space, no one can hear you scream—but can they hear you sing “Spice Up Your Life“? The cast of the Apple Original is determined to find out.

It's a dream come true for lifelong superfan Sandra when she meets her idols for the first time—and even performs with them.

It's a dream come true for lifelong superfan Sandra when she meets her idols for the first time—and even performs with them.

Charli, Dixie, Heidi, and Marc reminisce about past family road trips and surprise a superfan between Whitney and Britney classics.

Charli, Dixie, Heidi, and Marc reminisce about past family road trips and surprise a superfan between Whitney and Britney classics.

Two carfuls of wrestling dynamos hit the road in Minneapolis, playing Mind Meld and tearing through a songbook from Pat Benatar to DMX.

Two carfuls of wrestling dynamos hit the road in Minneapolis, playing Mind Meld and tearing through a songbook from Pat Benatar to DMX.

These lovebirds first met on the set of this very show. They recount the details of their romance while singing Johnny Cash and Wham! favorites.

These lovebirds first met on the set of this very show. They recount the details of their romance while singing Johnny Cash and Wham! favorites.

Slaying their own fierce hits, the superstars compare real names, take over a convenience store, and do the very first Boat-pool Karaoke.

Slaying their own fierce hits, the superstars compare real names, take over a convenience store, and do the very first Boat-pool Karaoke.

The White Lotus stars recall filming their smash show, share some hilarious self-taped auditions, and summon tears for the first Carpool Cry-Off.

The White Lotus stars recall filming their smash show, share some hilarious self-taped auditions, and summon tears for the first Carpool Cry-Off.

It's a Y2K bop bonanza for these action stars as Simu draws on his boy-band past for some Backstreet Boys—all leading to a nail-biting finale.

It's a Y2K bop bonanza for these action stars as Simu draws on his boy-band past for some Backstreet Boys—all leading to a nail-biting finale.