diff --git a/_git-pulls b/_git-pulls
index 4831567..46ed2ab 100644
--- a/_git-pulls
+++ b/_git-pulls
@@ -76,7 +76,13 @@ _git-pulls() {
             '--reverse[list in reverse order]' \
           && ret=0
         ;;
-        (show|browse|merge)
+        (show)
+          _arguments \
+            '1: :_git-pulls_pull_requests_numbers' \
+            '--full[use verbose output]' \
+          && ret=0
+        ;;
+        (browse|merge)
           # TODO Not implemented
           _message 'arguments' && ret=0
         ;;
@@ -87,4 +93,10 @@ _git-pulls() {
   return ret
 }
 
+(( $+functions[_git-pulls_pull_requests_numbers] )) ||
+_git-pulls_pull_requests_numbers() {
+  # TODO Not implemented
+  _message -e pull-request-numbers 'pull request number'
+}
+
 _git-pulls "$@"