The Backyardigans season 4

Description
in this season, the backyardigans go on a big robotic adventure, and try to catch a russian train, and stop a boulder from landing in a geyser

Episodes

 * 1) robot rampage (Parts 1&2)
 * 2) catch that train
 * 3) attack of the 50 foot worman
 * 4) dragon express
 * 5) flower power
 * 6) the funnyman boogeyman
 * 7) follow the feather
 * 8) breakout!
 * 9) the action elves save christmas eve
 * 10) los galacticos
 * 11) for the love of socks
 * 12) the flipper
 * 13) elephant on the run
 * 14) the magic skateboard
 * 15) pablor and the acorns
 * 16) super team awesome
 * 17) the big dipper diner
 * 18) the amazing splashinis
 * 19) tale of the not-so-nice dragon

Trivia

 * this season marked:
 * the last season to air on nickelodeon
 * the end of era 1 of the series
 * the last season before a 4 year hiatus
 * the last season to have at least four songs every episode as next season there are sometimes 3 songs
 * On youtube, the last full season where the episodes come out daily