'How I Met Your Mother' series finale left some fans disappointed and some content. The sitcom that ran for 9 years on CBS network came to an end on Monday night, March 31, 2014. Just two days after "HIMYM" series finale, speculation over the cast reunion started running wild. Fans are now looking forward to the show's spinoff series "How I Met Your Dad" and are anxious to know if the original cast will appear in the upcoming show. Read on to find out the details and what to expect from the spinoff series.

Even though the show may have come to an end, fans with aching hearts can look forward to series spinoff "How I Met Your Dad." Also, "HIMYM" cast member Alyson Hannigan who portrayed Lily Aldrin suggests that the "HIMYM" cast reunion in spin off series "How I Met Your Mother" may not be ruled out.

Speaking about the possibility of cast reunion or guest starring in franchise's next show, actress dished out some information fans may like to know.

"Sure" said Alysson Hannigan to the idea of appearing on "How I Met Your Dad" while speaking to Popsugar (quoted by Hollywood Life.) She also revealed that even though she knows "very little" about the spin-off show, she thinks the show is going to feature a very "different group." She also said she thinks it will be "totally different."

Alyson revealed her knowledge about the spinoff is based on what she read on the internet. According to her it may not be a "traditional spinoff where one character is leading it."

The Web site inferred that the original "HIMYM" cast members will not be series regular in "How I Met Your Dad." But fans can be hopeful of a "group cameo appearance."

Meanwhile, "How I Met Your Dad" star Greta Gerwig spilled some more information about the franchise spinoff. The spinoff "is going to be different than the original" said Greta Gerwig as quoted by Us Weekly.

"When the premise of the show is that it's a young man looking for his true love, it's a very different feeling than a young woman looking for her true love," explained Greta Gerwig.

Meanwhile, a fan-made "How I Met Your Mother" alternate ending is making the rounds on the internet. The ending that features Ted and Tracy together, could make many of "HIMYM" fans feel better. Watch the video below:

Video: How I Met Your Mother Alternative Ending

Credit: Youtube.com/ Ricardo J Dylan