Shah Rukh Khan returned to his roots - the small screen, to promote his most ambitious film project "RA.One". The Bollywood superstar took to the finale episodes of three reality shows Saturday night, and added glitz and glamour to them with his inimitable style, wit and dance.

The 45-year-old, who started his acting career with TV shows like "Fauji" and "Circus" in the late 1980s, appeared on the finales of Star Plus' "Just Dance", Colors' "India's Got Talent 3" and Zee TV's "Sa Re Ga Ma Pa L'il Champs".

While Shah Rukh's presence on dance reality show "Just Dance" and talent contest "India's Got Talent 3" was pre-recorded, kids' singing reality show "Sa Re Ga Ma Pa Li'l Champs" was aired deferred live from Surat.

Shah Rukh was at his jovial best on all the shows as he danced, sang, cracked jokes as well as interacted with the audience to promote his mega-budget film "RA.One", releasing this Diwali Oct 26.

The actor, who plays a superhero in the film, grooved to his film's most popular number "Chhammak chhallo" and made the shows' participants dance as well. Apart from presenting the winners' trophy on the shows, he also distributed his film's merchandise, especially a G.One doll based on the movie's villain, essayed on screen by actor Arjun Rampal.

A true entertainer, Shah Rukh was in full form as he performed vigorous dance steps, much to the delight of the viewers.

"RA.One" also features Kareena Kapoor, and Shah Rukh is leaving no stone unturned to market it well across all possible platforms.