Whose Line Is It Anyway?, Greg Proops

This special episode showcases never before seen games and outtakes, starting with a frantic "Forward Rewind" followed by the rarely played game "Hats". Star guests incl. Candice Accola. (S12, E01)

Aisha introduces another collection of unseen material from past series', incl. a crazy edition of "Party Quirks" and an action-packed flamenco scene with celebrity guest Marisol Nichols. (S12, E02)

Aisha introduces a series of brilliant clips from the last decade, incl. sexy farmers in "Scenes From A Hat", and star guest Danielle Panabaker on a date at a Tom Cruise themed restaurant. (S12, E05)

Jack Osbourne returns and salsa dances with Wayne. Ryan and Colin do an Infomercial on overcoming fears and Nyima joins the boys for an Irish Drinking Song on pregnancy. (S12, E07)

Aisha hosts another unforgettable special, featuring some questionable rapping skills in "Get Down," and the cast crooning through a smooth song about rowing in "Lounge Lizards". (S12, E08)

Mircea Monroe gets a gospel song from Wayne and Gary, while Colin reports from people with bad feet, an Irish Drinking song about divorce and the album Songs of Florida is sold. (S12, E09)

Kat Graham returns for a host of hilarious improv games. There's a rare outing for "90 Second Alphabet" with a pet shop setting, followed by Kat joining in a hip-hop themed dubbing scene. (S12, E10)

Film star & comedian Tiffany Haddish is in the hot seat for some improv hilarity, performing a raucous rap duet with Wayne, and getting messy in "Helping Hands" with nervous boyfriend Ryan. (S12, E11)

Aisha Tyler hosts another hilarious episode of the legendary improv show, incl. a lively round of "Questions" at airport security & guest Tiffany Coyne blasting out an 80s anthem in "Duet". (S12, E12)

Popstar Jordin Sparks joins for some unforgettable improv chaos. Ryan acts out the film Titanic, Wayne goes through the entire bible, and Jordin & Wayne team up as a bickering R&B duo. (S12, E13)

The stakes are high as the audience's texts are used to inform the game "Mixed Messages", and Wayne is joined by his real daughter Maile for "Duet", discussing his annoying parental habits. (S12, E14)

Three Little Pigs gets a sleazy reality TV twist in "Hollywood Director", we hear terrible phone sex lines in "Scenes From A Hat", and Ryan & Colin combine with a pair of audience members. (S12, E15)

TV & movie star Alyson Hannigan joins for a laughter-packed show, lending her physical form to a school musical rehearsal in "Dubbing", and surprising her German ex Ryan in "Helping Hands". (S12, E16)

Revel in fantastic "Questions" at a billionaire's wedding, adult problems on Sesame Street in "Scenes From A Hat" and a biblically brilliant portrayal of Samson & Delilah in "Whose Line". (S12, E17)

Enjoy another dose of improv chaos, incl. "Weird Newscasters" with grouchy grandma Gary, Ryan reviewing great human inventions, and Wayne presenting the weather as a rock opera. (S12, E18)

Gary plays a frustrated "Hollywood Director", trying to marshal the cast through an Indiana Jones style scene. The performers act as horny people in famous TV shows in "Scenes From A Hat". (S12, E19)